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Finding the Fourth Proportional to 99,775.26, 137,686.41 and 59,468.27

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Solution

The fourth proportional to 99,775.26, 137,686.41 and 59,468.27 is: 82,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,775.26 : 137,686.41 = 59,468.27 : x
  2. Step 2: Convert to fraction form
    99,775.26/137,686.41 = 59,468.27/x
  3. Step 3: Cross multiply
    99,775.26x = 137,686.41 × 59,468.27
  4. Step 4: Simplify right side
    99,775.26x = 8,187,971,916.78
  5. Step 5: Solve for x
    x = 8,187,971,916.78/99,775.26
  6. Step 6: Final answer
    x = 82,064.15

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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.