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Finding the Fourth Proportional to 133,805.48, 200,715.78 and 58,960.58

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Solution

The fourth proportional to 133,805.48, 200,715.78 and 58,960.58 is: 88,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,805.48 : 200,715.78 = 58,960.58 : x
  2. Step 2: Convert to fraction form
    133,805.48/200,715.78 = 58,960.58/x
  3. Step 3: Cross multiply
    133,805.48x = 200,715.78 × 58,960.58
  4. Step 4: Simplify right side
    133,805.48x = 11,834,318,803.95
  5. Step 5: Solve for x
    x = 11,834,318,803.95/133,805.48
  6. Step 6: Final answer
    x = 88,444.20

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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.