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Finding the Fourth Proportional to 60,139.26, 82,941.84 and 45,067.32

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Solution

The fourth proportional to 60,139.26, 82,941.84 and 45,067.32 is: 62,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,139.26 : 82,941.84 = 45,067.32 : x
  2. Step 2: Convert to fraction form
    60,139.26/82,941.84 = 45,067.32/x
  3. Step 3: Cross multiply
    60,139.26x = 82,941.84 × 45,067.32
  4. Step 4: Simplify right side
    60,139.26x = 3,737,966,444.67
  5. Step 5: Solve for x
    x = 3,737,966,444.67/60,139.26
  6. Step 6: Final answer
    x = 62,155.18

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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.