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Finding the Fourth Proportional to 98,967.68, 148,472.28 and 32,402.72

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Solution

The fourth proportional to 98,967.68, 148,472.28 and 32,402.72 is: 48,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,967.68 : 148,472.28 = 32,402.72 : x
  2. Step 2: Convert to fraction form
    98,967.68/148,472.28 = 32,402.72/x
  3. Step 3: Cross multiply
    98,967.68x = 148,472.28 × 32,402.72
  4. Step 4: Simplify right side
    98,967.68x = 4,810,905,716.60
  5. Step 5: Solve for x
    x = 4,810,905,716.60/98,967.68
  6. Step 6: Final answer
    x = 48,610.88

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1.5x scale

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.