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Finding the Fourth Proportional to 180,265.60, 270,398.40 and 156,937.60

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Solution

The fourth proportional to 180,265.60, 270,398.40 and 156,937.60 is: 235,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,265.60 : 270,398.40 = 156,937.60 : x
  2. Step 2: Convert to fraction form
    180,265.60/270,398.40 = 156,937.60/x
  3. Step 3: Cross multiply
    180,265.60x = 270,398.40 × 156,937.60
  4. Step 4: Simplify right side
    180,265.60x = 42,435,675,939.84
  5. Step 5: Solve for x
    x = 42,435,675,939.84/180,265.60
  6. Step 6: Final answer
    x = 235,406.40

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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.