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Finding the Fourth Proportional to 162,658.80, 243,660.15 and 109,514.70

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Solution

The fourth proportional to 162,658.80, 243,660.15 and 109,514.70 is: 164,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,658.80 : 243,660.15 = 109,514.70 : x
  2. Step 2: Convert to fraction form
    162,658.80/243,660.15 = 109,514.70/x
  3. Step 3: Cross multiply
    162,658.80x = 243,660.15 × 109,514.70
  4. Step 4: Simplify right side
    162,658.80x = 26,684,368,229.21
  5. Step 5: Solve for x
    x = 26,684,368,229.21/162,658.80
  6. Step 6: Final answer
    x = 164,051.18

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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.