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Finding the Fourth Proportional to 63,399.66, 95,063.93 and 43,431.71

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Solution

The fourth proportional to 63,399.66, 95,063.93 and 43,431.71 is: 65,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,399.66 : 95,063.93 = 43,431.71 : x
  2. Step 2: Convert to fraction form
    63,399.66/95,063.93 = 43,431.71/x
  3. Step 3: Cross multiply
    63,399.66x = 95,063.93 × 43,431.71
  4. Step 4: Simplify right side
    63,399.66x = 4,128,788,346.74
  5. Step 5: Solve for x
    x = 4,128,788,346.74/63,399.66
  6. Step 6: Final answer
    x = 65,123.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.