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Finding the Fourth Proportional to 108,545.52, 162,873.89 and 51,683.82

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Solution

The fourth proportional to 108,545.52, 162,873.89 and 51,683.82 is: 77,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,545.52 : 162,873.89 = 51,683.82 : x
  2. Step 2: Convert to fraction form
    108,545.52/162,873.89 = 51,683.82/x
  3. Step 3: Cross multiply
    108,545.52x = 162,873.89 × 51,683.82
  4. Step 4: Simplify right side
    108,545.52x = 8,417,945,054.24
  5. Step 5: Solve for x
    x = 8,417,945,054.24/108,545.52
  6. Step 6: Final answer
    x = 77,552.21

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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.