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Finding the Fourth Proportional to 180,101.52, 270,130.32 and 74,906.76

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Solution

The fourth proportional to 180,101.52, 270,130.32 and 74,906.76 is: 112,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,101.52 : 270,130.32 = 74,906.76 : x
  2. Step 2: Convert to fraction form
    180,101.52/270,130.32 = 74,906.76/x
  3. Step 3: Cross multiply
    180,101.52x = 270,130.32 × 74,906.76
  4. Step 4: Simplify right side
    180,101.52x = 20,234,587,048.96
  5. Step 5: Solve for x
    x = 20,234,587,048.96/180,101.52
  6. Step 6: Final answer
    x = 112,351.01

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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.