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Finding the Fourth Proportional to 62,453.60, 86,188.02 and 34,159.28

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Solution

The fourth proportional to 62,453.60, 86,188.02 and 34,159.28 is: 47,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,453.60 : 86,188.02 = 34,159.28 : x
  2. Step 2: Convert to fraction form
    62,453.60/86,188.02 = 34,159.28/x
  3. Step 3: Cross multiply
    62,453.60x = 86,188.02 × 34,159.28
  4. Step 4: Simplify right side
    62,453.60x = 2,944,120,707.83
  5. Step 5: Solve for x
    x = 2,944,120,707.83/62,453.60
  6. Step 6: Final answer
    x = 47,140.93

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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.