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Finding the Fourth Proportional to 68,230.68, 94,049.28 and 45,524.76

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Solution

The fourth proportional to 68,230.68, 94,049.28 and 45,524.76 is: 62,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.68 : 94,049.28 = 45,524.76 : x
  2. Step 2: Convert to fraction form
    68,230.68/94,049.28 = 45,524.76/x
  3. Step 3: Cross multiply
    68,230.68x = 94,049.28 × 45,524.76
  4. Step 4: Simplify right side
    68,230.68x = 4,281,570,900.17
  5. Step 5: Solve for x
    x = 4,281,570,900.17/68,230.68
  6. Step 6: Final answer
    x = 62,751.40

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.