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Finding the Fourth Proportional to 151,008.90, 226,688.33 and 81,024.90

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Solution

The fourth proportional to 151,008.90, 226,688.33 and 81,024.90 is: 121,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,008.90 : 226,688.33 = 81,024.90 : x
  2. Step 2: Convert to fraction form
    151,008.90/226,688.33 = 81,024.90/x
  3. Step 3: Cross multiply
    151,008.90x = 226,688.33 × 81,024.90
  4. Step 4: Simplify right side
    151,008.90x = 18,367,399,269.42
  5. Step 5: Solve for x
    x = 18,367,399,269.42/151,008.90
  6. Step 6: Final answer
    x = 121,631.24

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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.