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Finding the Fourth Proportional to 125,792.70, 173,579.67 and 69,200.70

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Solution

The fourth proportional to 125,792.70, 173,579.67 and 69,200.70 is: 95,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,792.70 : 173,579.67 = 69,200.70 : x
  2. Step 2: Convert to fraction form
    125,792.70/173,579.67 = 69,200.70/x
  3. Step 3: Cross multiply
    125,792.70x = 173,579.67 × 69,200.70
  4. Step 4: Simplify right side
    125,792.70x = 12,011,834,669.77
  5. Step 5: Solve for x
    x = 12,011,834,669.77/125,792.70
  6. Step 6: Final answer
    x = 95,489.12

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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.