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Finding the Fourth Proportional to 162,566.60, 243,461.10 and 131,462.60

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Solution

The fourth proportional to 162,566.60, 243,461.10 and 131,462.60 is: 196,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,566.60 : 243,461.10 = 131,462.60 : x
  2. Step 2: Convert to fraction form
    162,566.60/243,461.10 = 131,462.60/x
  3. Step 3: Cross multiply
    162,566.60x = 243,461.10 × 131,462.60
  4. Step 4: Simplify right side
    162,566.60x = 32,006,029,204.86
  5. Step 5: Solve for x
    x = 32,006,029,204.86/162,566.60
  6. Step 6: Final answer
    x = 196,879.49

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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.