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Finding the Fourth Proportional to 125,958.58, 173,814.86 and 69,369.95

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Solution

The fourth proportional to 125,958.58, 173,814.86 and 69,369.95 is: 95,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,958.58 : 173,814.86 = 69,369.95 : x
  2. Step 2: Convert to fraction form
    125,958.58/173,814.86 = 69,369.95/x
  3. Step 3: Cross multiply
    125,958.58x = 173,814.86 × 69,369.95
  4. Step 4: Simplify right side
    125,958.58x = 12,057,528,755.42
  5. Step 5: Solve for x
    x = 12,057,528,755.42/125,958.58
  6. Step 6: Final answer
    x = 95,726.14

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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.