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Finding the Fourth Proportional to 110,425.20, 165,637.80 and 101,871.60

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Solution

The fourth proportional to 110,425.20, 165,637.80 and 101,871.60 is: 152,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,425.20 : 165,637.80 = 101,871.60 : x
  2. Step 2: Convert to fraction form
    110,425.20/165,637.80 = 101,871.60/x
  3. Step 3: Cross multiply
    110,425.20x = 165,637.80 × 101,871.60
  4. Step 4: Simplify right side
    110,425.20x = 16,873,787,706.48
  5. Step 5: Solve for x
    x = 16,873,787,706.48/110,425.20
  6. Step 6: Final answer
    x = 152,807.40

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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.