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Finding the Fourth Proportional to 125,752.74, 173,535.93 and 69,165.06

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Solution

The fourth proportional to 125,752.74, 173,535.93 and 69,165.06 is: 95,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,752.74 : 173,535.93 = 69,165.06 : x
  2. Step 2: Convert to fraction form
    125,752.74/173,535.93 = 69,165.06/x
  3. Step 3: Cross multiply
    125,752.74x = 173,535.93 × 69,165.06
  4. Step 4: Simplify right side
    125,752.74x = 12,002,623,010.61
  5. Step 5: Solve for x
    x = 12,002,623,010.61/125,752.74
  6. Step 6: Final answer
    x = 95,446.21

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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.