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Finding the Fourth Proportional to 180,251.39, 270,377.67 and 67,901.45

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Solution

The fourth proportional to 180,251.39, 270,377.67 and 67,901.45 is: 101,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,251.39 : 270,377.67 = 67,901.45 : x
  2. Step 2: Convert to fraction form
    180,251.39/270,377.67 = 67,901.45/x
  3. Step 3: Cross multiply
    180,251.39x = 270,377.67 × 67,901.45
  4. Step 4: Simplify right side
    180,251.39x = 18,359,035,501.11
  5. Step 5: Solve for x
    x = 18,359,035,501.11/180,251.39
  6. Step 6: Final answer
    x = 101,852.40

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1.5x scale

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.