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Finding the Fourth Proportional to 125,864.59, 173,694.56 and 68,504.28

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Solution

The fourth proportional to 125,864.59, 173,694.56 and 68,504.28 is: 94,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,864.59 : 173,694.56 = 68,504.28 : x
  2. Step 2: Convert to fraction form
    125,864.59/173,694.56 = 68,504.28/x
  3. Step 3: Cross multiply
    125,864.59x = 173,694.56 × 68,504.28
  4. Step 4: Simplify right side
    125,864.59x = 11,898,820,996.71
  5. Step 5: Solve for x
    x = 11,898,820,996.71/125,864.59
  6. Step 6: Final answer
    x = 94,536.68

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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.