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Finding the Fourth Proportional to 96,513.80, 133,192.69 and 54,070.88

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Solution

The fourth proportional to 96,513.80, 133,192.69 and 54,070.88 is: 74,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,513.80 : 133,192.69 = 54,070.88 : x
  2. Step 2: Convert to fraction form
    96,513.80/133,192.69 = 54,070.88/x
  3. Step 3: Cross multiply
    96,513.80x = 133,192.69 × 54,070.88
  4. Step 4: Simplify right side
    96,513.80x = 7,201,845,156.73
  5. Step 5: Solve for x
    x = 7,201,845,156.73/96,513.80
  6. Step 6: Final answer
    x = 74,619.85

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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.