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Finding the Fourth Proportional to 98,897.68, 136,457.22 and 58,591.27

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Solution

The fourth proportional to 98,897.68, 136,457.22 and 58,591.27 is: 80,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,897.68 : 136,457.22 = 58,591.27 : x
  2. Step 2: Convert to fraction form
    98,897.68/136,457.22 = 58,591.27/x
  3. Step 3: Cross multiply
    98,897.68x = 136,457.22 × 58,591.27
  4. Step 4: Simplify right side
    98,897.68x = 7,995,201,820.47
  5. Step 5: Solve for x
    x = 7,995,201,820.47/98,897.68
  6. Step 6: Final answer
    x = 80,843.17

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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.