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Finding the Fourth Proportional to 108,390.64, 162,545.59 and 37,293.43

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Solution

The fourth proportional to 108,390.64, 162,545.59 and 37,293.43 is: 55,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,390.64 : 162,545.59 = 37,293.43 : x
  2. Step 2: Convert to fraction form
    108,390.64/162,545.59 = 37,293.43/x
  3. Step 3: Cross multiply
    108,390.64x = 162,545.59 × 37,293.43
  4. Step 4: Simplify right side
    108,390.64x = 6,061,882,582.47
  5. Step 5: Solve for x
    x = 6,061,882,582.47/108,390.64
  6. Step 6: Final answer
    x = 55,926.26

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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.