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Finding the Fourth Proportional to 113,957.13, 157,259.91 and 62,969.73

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Solution

The fourth proportional to 113,957.13, 157,259.91 and 62,969.73 is: 86,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,957.13 : 157,259.91 = 62,969.73 : x
  2. Step 2: Convert to fraction form
    113,957.13/157,259.91 = 62,969.73/x
  3. Step 3: Cross multiply
    113,957.13x = 157,259.91 × 62,969.73
  4. Step 4: Simplify right side
    113,957.13x = 9,902,614,072.52
  5. Step 5: Solve for x
    x = 9,902,614,072.52/113,957.13
  6. Step 6: Final answer
    x = 86,897.71

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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.