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Finding the Fourth Proportional to 162,407.89, 243,609.15 and 48,555.96

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Solution

The fourth proportional to 162,407.89, 243,609.15 and 48,555.96 is: 72,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,407.89 : 243,609.15 = 48,555.96 : x
  2. Step 2: Convert to fraction form
    162,407.89/243,609.15 = 48,555.96/x
  3. Step 3: Cross multiply
    162,407.89x = 243,609.15 × 48,555.96
  4. Step 4: Simplify right side
    162,407.89x = 11,828,676,143.03
  5. Step 5: Solve for x
    x = 11,828,676,143.03/162,407.89
  6. Step 6: Final answer
    x = 72,833.14

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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.