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Finding the Fourth Proportional to 162,410.65, 243,613.29 and 48,558.73

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Solution

The fourth proportional to 162,410.65, 243,613.29 and 48,558.73 is: 72,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,410.65 : 243,613.29 = 48,558.73 : x
  2. Step 2: Convert to fraction form
    162,410.65/243,613.29 = 48,558.73/x
  3. Step 3: Cross multiply
    162,410.65x = 243,613.29 × 48,558.73
  4. Step 4: Simplify right side
    162,410.65x = 11,829,551,973.52
  5. Step 5: Solve for x
    x = 11,829,551,973.52/162,410.65
  6. Step 6: Final answer
    x = 72,837.29

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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.