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Finding the Fourth Proportional to 96,580, 133,251.06 and 60,805.72

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Solution

The fourth proportional to 96,580, 133,251.06 and 60,805.72 is: 83,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,580 : 133,251.06 = 60,805.72 : x
  2. Step 2: Convert to fraction form
    96,580/133,251.06 = 60,805.72/x
  3. Step 3: Cross multiply
    96,580x = 133,251.06 × 60,805.72
  4. Step 4: Simplify right side
    96,580x = 8,102,426,644.06
  5. Step 5: Solve for x
    x = 8,102,426,644.06/96,580
  6. Step 6: Final answer
    x = 83,893.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.