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Finding the Fourth Proportional to 88,681.80, 133,061.10 and 41,910.60

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Solution

The fourth proportional to 88,681.80, 133,061.10 and 41,910.60 is: 62,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.80 : 133,061.10 = 41,910.60 : x
  2. Step 2: Convert to fraction form
    88,681.80/133,061.10 = 41,910.60/x
  3. Step 3: Cross multiply
    88,681.80x = 133,061.10 × 41,910.60
  4. Step 4: Simplify right side
    88,681.80x = 5,576,670,537.66
  5. Step 5: Solve for x
    x = 5,576,670,537.66/88,681.80
  6. Step 6: Final answer
    x = 62,884.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.