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Finding the Fourth Proportional to 100,934.30, 151,401.45 and 94,324.70

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Solution

The fourth proportional to 100,934.30, 151,401.45 and 94,324.70 is: 141,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,934.30 : 151,401.45 = 94,324.70 : x
  2. Step 2: Convert to fraction form
    100,934.30/151,401.45 = 94,324.70/x
  3. Step 3: Cross multiply
    100,934.30x = 151,401.45 × 94,324.70
  4. Step 4: Simplify right side
    100,934.30x = 14,280,896,350.82
  5. Step 5: Solve for x
    x = 14,280,896,350.82/100,934.30
  6. Step 6: Final answer
    x = 141,487.05

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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.