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Finding the Fourth Proportional to 151,642.45, 227,627.70 and 95,545.90

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Solution

The fourth proportional to 151,642.45, 227,627.70 and 95,545.90 is: 143,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,642.45 : 227,627.70 = 95,545.90 : x
  2. Step 2: Convert to fraction form
    151,642.45/227,627.70 = 95,545.90/x
  3. Step 3: Cross multiply
    151,642.45x = 227,627.70 × 95,545.90
  4. Step 4: Simplify right side
    151,642.45x = 21,748,893,461.43
  5. Step 5: Solve for x
    x = 21,748,893,461.43/151,642.45
  6. Step 6: Final answer
    x = 143,422.20

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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.