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Finding the Fourth Proportional to 135,359.73, 202,070.81 and 117,649.89

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Solution

The fourth proportional to 135,359.73, 202,070.81 and 117,649.89 is: 175,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,359.73 : 202,070.81 = 117,649.89 : x
  2. Step 2: Convert to fraction form
    135,359.73/202,070.81 = 117,649.89/x
  3. Step 3: Cross multiply
    135,359.73x = 202,070.81 × 117,649.89
  4. Step 4: Simplify right side
    135,359.73x = 23,773,608,862.84
  5. Step 5: Solve for x
    x = 23,773,608,862.84/135,359.73
  6. Step 6: Final answer
    x = 175,632.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.