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Finding the Fourth Proportional to 373,790.64, 560,780.52 and 107,545.36

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Solution

The fourth proportional to 373,790.64, 560,780.52 and 107,545.36 is: 161,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,790.64 : 560,780.52 = 107,545.36 : x
  2. Step 2: Convert to fraction form
    373,790.64/560,780.52 = 107,545.36/x
  3. Step 3: Cross multiply
    373,790.64x = 560,780.52 × 107,545.36
  4. Step 4: Simplify right side
    373,790.64x = 60,309,342,904.39
  5. Step 5: Solve for x
    x = 60,309,342,904.39/373,790.64
  6. Step 6: Final answer
    x = 161,345.25

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Why These Related Problems?

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