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Finding the Fourth Proportional to 171,151.20, 256,035.60 and 148,034.40

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Solution

The fourth proportional to 171,151.20, 256,035.60 and 148,034.40 is: 221,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,151.20 : 256,035.60 = 148,034.40 : x
  2. Step 2: Convert to fraction form
    171,151.20/256,035.60 = 148,034.40/x
  3. Step 3: Cross multiply
    171,151.20x = 256,035.60 × 148,034.40
  4. Step 4: Simplify right side
    171,151.20x = 37,902,076,424.64
  5. Step 5: Solve for x
    x = 37,902,076,424.64/171,151.20
  6. Step 6: Final answer
    x = 221,453.76

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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.