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Finding the Fourth Proportional to 162,521.80, 243,926.70 and 95,878.60

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Solution

The fourth proportional to 162,521.80, 243,926.70 and 95,878.60 is: 143,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,521.80 : 243,926.70 = 95,878.60 : x
  2. Step 2: Convert to fraction form
    162,521.80/243,926.70 = 95,878.60/x
  3. Step 3: Cross multiply
    162,521.80x = 243,926.70 × 95,878.60
  4. Step 4: Simplify right side
    162,521.80x = 23,387,350,498.62
  5. Step 5: Solve for x
    x = 23,387,350,498.62/162,521.80
  6. Step 6: Final answer
    x = 143,902.85

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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.