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Finding the Fourth Proportional to 180,591.97, 249,218.75 and 108,958.15

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Solution

The fourth proportional to 180,591.97, 249,218.75 and 108,958.15 is: 150,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,591.97 : 249,218.75 = 108,958.15 : x
  2. Step 2: Convert to fraction form
    180,591.97/249,218.75 = 108,958.15/x
  3. Step 3: Cross multiply
    180,591.97x = 249,218.75 × 108,958.15
  4. Step 4: Simplify right side
    180,591.97x = 27,154,412,777.47
  5. Step 5: Solve for x
    x = 27,154,412,777.47/180,591.97
  6. Step 6: Final answer
    x = 150,363.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.