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Finding the Fourth Proportional to 114,369.60, 157,828.14 and 62,686.20

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Solution

The fourth proportional to 114,369.60, 157,828.14 and 62,686.20 is: 86,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,369.60 : 157,828.14 = 62,686.20 : x
  2. Step 2: Convert to fraction form
    114,369.60/157,828.14 = 62,686.20/x
  3. Step 3: Cross multiply
    114,369.60x = 157,828.14 × 62,686.20
  4. Step 4: Simplify right side
    114,369.60x = 9,893,646,349.67
  5. Step 5: Solve for x
    x = 9,893,646,349.67/114,369.60
  6. Step 6: Final answer
    x = 86,505.91

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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.