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Finding the Fourth Proportional to 68,253.40, 94,247.85 and 42,802.57

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Solution

The fourth proportional to 68,253.40, 94,247.85 and 42,802.57 is: 59,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,253.40 : 94,247.85 = 42,802.57 : x
  2. Step 2: Convert to fraction form
    68,253.40/94,247.85 = 42,802.57/x
  3. Step 3: Cross multiply
    68,253.40x = 94,247.85 × 42,802.57
  4. Step 4: Simplify right side
    68,253.40x = 4,034,050,196.97
  5. Step 5: Solve for x
    x = 4,034,050,196.97/68,253.40
  6. Step 6: Final answer
    x = 59,104.02

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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.