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Finding the Fourth Proportional to 176,609.86, 243,714.18 and 100,134.10

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Solution

The fourth proportional to 176,609.86, 243,714.18 and 100,134.10 is: 138,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,609.86 : 243,714.18 = 100,134.10 : x
  2. Step 2: Convert to fraction form
    176,609.86/243,714.18 = 100,134.10/x
  3. Step 3: Cross multiply
    176,609.86x = 243,714.18 × 100,134.10
  4. Step 4: Simplify right side
    176,609.86x = 24,404,098,852.97
  5. Step 5: Solve for x
    x = 24,404,098,852.97/176,609.86
  6. Step 6: Final answer
    x = 138,180.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.