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Finding the Fourth Proportional to 125,899.53, 173,742.02 and 69,310.91

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Solution

The fourth proportional to 125,899.53, 173,742.02 and 69,310.91 is: 95,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,899.53 : 173,742.02 = 69,310.91 : x
  2. Step 2: Convert to fraction form
    125,899.53/173,742.02 = 69,310.91/x
  3. Step 3: Cross multiply
    125,899.53x = 173,742.02 × 69,310.91
  4. Step 4: Simplify right side
    125,899.53x = 12,042,216,296.17
  5. Step 5: Solve for x
    x = 12,042,216,296.17/125,899.53
  6. Step 6: Final answer
    x = 95,649.41

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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.