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Finding the Fourth Proportional to 125,953.17, 173,808.95 and 69,353.61

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Solution

The fourth proportional to 125,953.17, 173,808.95 and 69,353.61 is: 95,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,953.17 : 173,808.95 = 69,353.61 : x
  2. Step 2: Convert to fraction form
    125,953.17/173,808.95 = 69,353.61/x
  3. Step 3: Cross multiply
    125,953.17x = 173,808.95 × 69,353.61
  4. Step 4: Simplify right side
    125,953.17x = 12,054,278,132.81
  5. Step 5: Solve for x
    x = 12,054,278,132.81/125,953.17
  6. Step 6: Final answer
    x = 95,704.44

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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.