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Finding the Fourth Proportional to 133,359.60, 199,553.40 and 83,463.60

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Solution

The fourth proportional to 133,359.60, 199,553.40 and 83,463.60 is: 124,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,359.60 : 199,553.40 = 83,463.60 : x
  2. Step 2: Convert to fraction form
    133,359.60/199,553.40 = 83,463.60/x
  3. Step 3: Cross multiply
    133,359.60x = 199,553.40 × 83,463.60
  4. Step 4: Simplify right side
    133,359.60x = 16,655,445,156.24
  5. Step 5: Solve for x
    x = 16,655,445,156.24/133,359.60
  6. Step 6: Final answer
    x = 124,891.24

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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.