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Finding the Fourth Proportional to 144,558.10, 216,837.15 and 100,234.90

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Solution

The fourth proportional to 144,558.10, 216,837.15 and 100,234.90 is: 150,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,558.10 : 216,837.15 = 100,234.90 : x
  2. Step 2: Convert to fraction form
    144,558.10/216,837.15 = 100,234.90/x
  3. Step 3: Cross multiply
    144,558.10x = 216,837.15 × 100,234.90
  4. Step 4: Simplify right side
    144,558.10x = 21,734,650,046.54
  5. Step 5: Solve for x
    x = 21,734,650,046.54/144,558.10
  6. Step 6: Final answer
    x = 150,352.35

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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.