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Finding the Fourth Proportional to 99,092.84, 136,726.65 and 58,820.04

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Solution

The fourth proportional to 99,092.84, 136,726.65 and 58,820.04 is: 81,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,092.84 : 136,726.65 = 58,820.04 : x
  2. Step 2: Convert to fraction form
    99,092.84/136,726.65 = 58,820.04/x
  3. Step 3: Cross multiply
    99,092.84x = 136,726.65 × 58,820.04
  4. Step 4: Simplify right side
    99,092.84x = 8,042,267,022.07
  5. Step 5: Solve for x
    x = 8,042,267,022.07/99,092.84
  6. Step 6: Final answer
    x = 81,158.92

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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.