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Finding the Fourth Proportional to 104,702.26, 144,457.14 and 59,377.90

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Solution

The fourth proportional to 104,702.26, 144,457.14 and 59,377.90 is: 81,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,702.26 : 144,457.14 = 59,377.90 : x
  2. Step 2: Convert to fraction form
    104,702.26/144,457.14 = 59,377.90/x
  3. Step 3: Cross multiply
    104,702.26x = 144,457.14 × 59,377.90
  4. Step 4: Simplify right side
    104,702.26x = 8,577,561,613.21
  5. Step 5: Solve for x
    x = 8,577,561,613.21/104,702.26
  6. Step 6: Final answer
    x = 81,923.37

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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.