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Finding the Fourth Proportional to 400,061.60, 600,092.40 and 133,733.60

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Solution

The fourth proportional to 400,061.60, 600,092.40 and 133,733.60 is: 200,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,061.60 : 600,092.40 = 133,733.60 : x
  2. Step 2: Convert to fraction form
    400,061.60/600,092.40 = 133,733.60/x
  3. Step 3: Cross multiply
    400,061.60x = 600,092.40 × 133,733.60
  4. Step 4: Simplify right side
    400,061.60x = 80,252,516,984.64
  5. Step 5: Solve for x
    x = 80,252,516,984.64/400,061.60
  6. Step 6: Final answer
    x = 200,600.40

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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.