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Finding the Fourth Proportional to 107,149.64, 160,726.28 and 40,621.10

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Solution

The fourth proportional to 107,149.64, 160,726.28 and 40,621.10 is: 60,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,149.64 : 160,726.28 = 40,621.10 : x
  2. Step 2: Convert to fraction form
    107,149.64/160,726.28 = 40,621.10/x
  3. Step 3: Cross multiply
    107,149.64x = 160,726.28 × 40,621.10
  4. Step 4: Simplify right side
    107,149.64x = 6,528,877,285.77
  5. Step 5: Solve for x
    x = 6,528,877,285.77/107,149.64
  6. Step 6: Final answer
    x = 60,932.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.