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Finding the Fourth Proportional to 162,484.80, 243,871.20 and 95,841.60

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Solution

The fourth proportional to 162,484.80, 243,871.20 and 95,841.60 is: 143,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,484.80 : 243,871.20 = 95,841.60 : x
  2. Step 2: Convert to fraction form
    162,484.80/243,871.20 = 95,841.60/x
  3. Step 3: Cross multiply
    162,484.80x = 243,871.20 × 95,841.60
  4. Step 4: Simplify right side
    162,484.80x = 23,373,006,001.92
  5. Step 5: Solve for x
    x = 23,373,006,001.92/162,484.80
  6. Step 6: Final answer
    x = 143,847.34

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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.