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Finding the Fourth Proportional to 107,309.88, 161,122.82 and 60,017.63

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Solution

The fourth proportional to 107,309.88, 161,122.82 and 60,017.63 is: 90,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,309.88 : 161,122.82 = 60,017.63 : x
  2. Step 2: Convert to fraction form
    107,309.88/161,122.82 = 60,017.63/x
  3. Step 3: Cross multiply
    107,309.88x = 161,122.82 × 60,017.63
  4. Step 4: Simplify right side
    107,309.88x = 9,670,208,689.61
  5. Step 5: Solve for x
    x = 9,670,208,689.61/107,309.88
  6. Step 6: Final answer
    x = 90,114.80

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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.