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Finding the Fourth Proportional to 107,549.16, 161,101.80 and 63,040.74

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Solution

The fourth proportional to 107,549.16, 161,101.80 and 63,040.74 is: 94,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,549.16 : 161,101.80 = 63,040.74 : x
  2. Step 2: Convert to fraction form
    107,549.16/161,101.80 = 63,040.74/x
  3. Step 3: Cross multiply
    107,549.16x = 161,101.80 × 63,040.74
  4. Step 4: Simplify right side
    107,549.16x = 10,155,976,687.33
  5. Step 5: Solve for x
    x = 10,155,976,687.33/107,549.16
  6. Step 6: Final answer
    x = 94,431.02

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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.