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Finding the Fourth Proportional to 98,966.68, 148,470.78 and 32,401.72

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Solution

The fourth proportional to 98,966.68, 148,470.78 and 32,401.72 is: 48,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,966.68 : 148,470.78 = 32,401.72 : x
  2. Step 2: Convert to fraction form
    98,966.68/148,470.78 = 32,401.72/x
  3. Step 3: Cross multiply
    98,966.68x = 148,470.78 × 32,401.72
  4. Step 4: Simplify right side
    98,966.68x = 4,810,708,641.74
  5. Step 5: Solve for x
    x = 4,810,708,641.74/98,966.68
  6. Step 6: Final answer
    x = 48,609.38

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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.