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Finding the Fourth Proportional to 133,569.88, 200,349.96 and 40,073.20

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Solution

The fourth proportional to 133,569.88, 200,349.96 and 40,073.20 is: 60,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,569.88 : 200,349.96 = 40,073.20 : x
  2. Step 2: Convert to fraction form
    133,569.88/200,349.96 = 40,073.20/x
  3. Step 3: Cross multiply
    133,569.88x = 200,349.96 × 40,073.20
  4. Step 4: Simplify right side
    133,569.88x = 8,028,664,017.07
  5. Step 5: Solve for x
    x = 8,028,664,017.07/133,569.88
  6. Step 6: Final answer
    x = 60,108.34

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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.