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Finding the Fourth Proportional to 110,557.50, 165,862.17 and 36,685.50

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Solution

The fourth proportional to 110,557.50, 165,862.17 and 36,685.50 is: 55,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,557.50 : 165,862.17 = 36,685.50 : x
  2. Step 2: Convert to fraction form
    110,557.50/165,862.17 = 36,685.50/x
  3. Step 3: Cross multiply
    110,557.50x = 165,862.17 × 36,685.50
  4. Step 4: Simplify right side
    110,557.50x = 6,084,736,637.54
  5. Step 5: Solve for x
    x = 6,084,736,637.54/110,557.50
  6. Step 6: Final answer
    x = 55,036.85

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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.