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Finding the Fourth Proportional to 75,159.96, 103,670.82 and 48,336.39

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Solution

The fourth proportional to 75,159.96, 103,670.82 and 48,336.39 is: 66,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,159.96 : 103,670.82 = 48,336.39 : x
  2. Step 2: Convert to fraction form
    75,159.96/103,670.82 = 48,336.39/x
  3. Step 3: Cross multiply
    75,159.96x = 103,670.82 × 48,336.39
  4. Step 4: Simplify right side
    75,159.96x = 5,011,073,187.14
  5. Step 5: Solve for x
    x = 5,011,073,187.14/75,159.96
  6. Step 6: Final answer
    x = 66,672.11

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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.