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Finding the Fourth Proportional to 98,750.70, 148,149.45 and 32,191.20

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Solution

The fourth proportional to 98,750.70, 148,149.45 and 32,191.20 is: 48,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,750.70 : 148,149.45 = 32,191.20 : x
  2. Step 2: Convert to fraction form
    98,750.70/148,149.45 = 32,191.20/x
  3. Step 3: Cross multiply
    98,750.70x = 148,149.45 × 32,191.20
  4. Step 4: Simplify right side
    98,750.70x = 4,769,108,574.84
  5. Step 5: Solve for x
    x = 4,769,108,574.84/98,750.70
  6. Step 6: Final answer
    x = 48,294.43

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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.