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Finding the Fourth Proportional to 107,069.76, 160,615.56 and 36,948.86

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Solution

The fourth proportional to 107,069.76, 160,615.56 and 36,948.86 is: 55,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,069.76 : 160,615.56 = 36,948.86 : x
  2. Step 2: Convert to fraction form
    107,069.76/160,615.56 = 36,948.86/x
  3. Step 3: Cross multiply
    107,069.76x = 160,615.56 × 36,948.86
  4. Step 4: Simplify right side
    107,069.76x = 5,934,561,840.26
  5. Step 5: Solve for x
    x = 5,934,561,840.26/107,069.76
  6. Step 6: Final answer
    x = 55,427.06

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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.