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Finding the Fourth Proportional to 125,936.50, 173,792.37 and 69,347.74

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Solution

The fourth proportional to 125,936.50, 173,792.37 and 69,347.74 is: 95,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.50 : 173,792.37 = 69,347.74 : x
  2. Step 2: Convert to fraction form
    125,936.50/173,792.37 = 69,347.74/x
  3. Step 3: Cross multiply
    125,936.50x = 173,792.37 × 69,347.74
  4. Step 4: Simplify right side
    125,936.50x = 12,052,108,088.74
  5. Step 5: Solve for x
    x = 12,052,108,088.74/125,936.50
  6. Step 6: Final answer
    x = 95,699.88

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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.