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Finding the Fourth Proportional to 180,261.76, 270,424.96 and 61,902.40

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Solution

The fourth proportional to 180,261.76, 270,424.96 and 61,902.40 is: 92,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,261.76 : 270,424.96 = 61,902.40 : x
  2. Step 2: Convert to fraction form
    180,261.76/270,424.96 = 61,902.40/x
  3. Step 3: Cross multiply
    180,261.76x = 270,424.96 × 61,902.40
  4. Step 4: Simplify right side
    180,261.76x = 16,739,954,043.90
  5. Step 5: Solve for x
    x = 16,739,954,043.90/180,261.76
  6. Step 6: Final answer
    x = 92,864.70

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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.