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Finding the Fourth Proportional to 146,510.10, 219,765.15 and 99,854.10

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Solution

The fourth proportional to 146,510.10, 219,765.15 and 99,854.10 is: 149,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,510.10 : 219,765.15 = 99,854.10 : x
  2. Step 2: Convert to fraction form
    146,510.10/219,765.15 = 99,854.10/x
  3. Step 3: Cross multiply
    146,510.10x = 219,765.15 × 99,854.10
  4. Step 4: Simplify right side
    146,510.10x = 21,944,451,264.62
  5. Step 5: Solve for x
    x = 21,944,451,264.62/146,510.10
  6. Step 6: Final answer
    x = 149,781.15

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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.