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Finding the Fourth Proportional to 110,061.60, 165,092.40 and 83,817.60

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Solution

The fourth proportional to 110,061.60, 165,092.40 and 83,817.60 is: 125,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,061.60 : 165,092.40 = 83,817.60 : x
  2. Step 2: Convert to fraction form
    110,061.60/165,092.40 = 83,817.60/x
  3. Step 3: Cross multiply
    110,061.60x = 165,092.40 × 83,817.60
  4. Step 4: Simplify right side
    110,061.60x = 13,837,648,746.24
  5. Step 5: Solve for x
    x = 13,837,648,746.24/110,061.60
  6. Step 6: Final answer
    x = 125,726.40

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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.