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Finding the Fourth Proportional to 125,936.55, 173,800.35 and 69,347.93

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Solution

The fourth proportional to 125,936.55, 173,800.35 and 69,347.93 is: 95,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.55 : 173,800.35 = 69,347.93 : x
  2. Step 2: Convert to fraction form
    125,936.55/173,800.35 = 69,347.93/x
  3. Step 3: Cross multiply
    125,936.55x = 173,800.35 × 69,347.93
  4. Step 4: Simplify right side
    125,936.55x = 12,052,694,505.78
  5. Step 5: Solve for x
    x = 12,052,694,505.78/125,936.55
  6. Step 6: Final answer
    x = 95,704.50

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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.