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Finding the Fourth Proportional to 272,127.60, 408,094.20 and 94,640.40

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Solution

The fourth proportional to 272,127.60, 408,094.20 and 94,640.40 is: 141,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,127.60 : 408,094.20 = 94,640.40 : x
  2. Step 2: Convert to fraction form
    272,127.60/408,094.20 = 94,640.40/x
  3. Step 3: Cross multiply
    272,127.60x = 408,094.20 × 94,640.40
  4. Step 4: Simplify right side
    272,127.60x = 38,622,198,325.68
  5. Step 5: Solve for x
    x = 38,622,198,325.68/272,127.60
  6. Step 6: Final answer
    x = 141,926.80

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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.