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Finding the Fourth Proportional to 110,172.52, 152,012.90 and 62,414.92

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Solution

The fourth proportional to 110,172.52, 152,012.90 and 62,414.92 is: 86,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,172.52 : 152,012.90 = 62,414.92 : x
  2. Step 2: Convert to fraction form
    110,172.52/152,012.90 = 62,414.92/x
  3. Step 3: Cross multiply
    110,172.52x = 152,012.90 × 62,414.92
  4. Step 4: Simplify right side
    110,172.52x = 9,487,872,992.47
  5. Step 5: Solve for x
    x = 9,487,872,992.47/110,172.52
  6. Step 6: Final answer
    x = 86,118.33

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1.5x scale

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.