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Finding the Fourth Proportional to 98,108.20, 147,162.30 and 88,266.70

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Solution

The fourth proportional to 98,108.20, 147,162.30 and 88,266.70 is: 132,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,108.20 : 147,162.30 = 88,266.70 : x
  2. Step 2: Convert to fraction form
    98,108.20/147,162.30 = 88,266.70/x
  3. Step 3: Cross multiply
    98,108.20x = 147,162.30 × 88,266.70
  4. Step 4: Simplify right side
    98,108.20x = 12,989,530,585.41
  5. Step 5: Solve for x
    x = 12,989,530,585.41/98,108.20
  6. Step 6: Final answer
    x = 132,400.05

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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.