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Finding the Fourth Proportional to 166,363.20, 249,577.20 and 71,593.20

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Solution

The fourth proportional to 166,363.20, 249,577.20 and 71,593.20 is: 107,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,363.20 : 249,577.20 = 71,593.20 : x
  2. Step 2: Convert to fraction form
    166,363.20/249,577.20 = 71,593.20/x
  3. Step 3: Cross multiply
    166,363.20x = 249,577.20 × 71,593.20
  4. Step 4: Simplify right side
    166,363.20x = 17,868,030,395.04
  5. Step 5: Solve for x
    x = 17,868,030,395.04/166,363.20
  6. Step 6: Final answer
    x = 107,403.74

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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.