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Finding the Fourth Proportional to 125,988.67, 173,864.37 and 69,400.04

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Solution

The fourth proportional to 125,988.67, 173,864.37 and 69,400.04 is: 95,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,988.67 : 173,864.37 = 69,400.04 : x
  2. Step 2: Convert to fraction form
    125,988.67/173,864.37 = 69,400.04/x
  3. Step 3: Cross multiply
    125,988.67x = 173,864.37 × 69,400.04
  4. Step 4: Simplify right side
    125,988.67x = 12,066,194,232.57
  5. Step 5: Solve for x
    x = 12,066,194,232.57/125,988.67
  6. Step 6: Final answer
    x = 95,772.06

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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.