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Finding the Fourth Proportional to 172,704.64, 238,305.36 and 96,199.76

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Solution

The fourth proportional to 172,704.64, 238,305.36 and 96,199.76 is: 132,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,704.64 : 238,305.36 = 96,199.76 : x
  2. Step 2: Convert to fraction form
    172,704.64/238,305.36 = 96,199.76/x
  3. Step 3: Cross multiply
    172,704.64x = 238,305.36 × 96,199.76
  4. Step 4: Simplify right side
    172,704.64x = 22,924,918,438.71
  5. Step 5: Solve for x
    x = 22,924,918,438.71/172,704.64
  6. Step 6: Final answer
    x = 132,740.61

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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.