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Finding the Fourth Proportional to 253,755.76, 350,024.56 and 163,229.74

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Solution

The fourth proportional to 253,755.76, 350,024.56 and 163,229.74 is: 225,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,755.76 : 350,024.56 = 163,229.74 : x
  2. Step 2: Convert to fraction form
    253,755.76/350,024.56 = 163,229.74/x
  3. Step 3: Cross multiply
    253,755.76x = 350,024.56 × 163,229.74
  4. Step 4: Simplify right side
    253,755.76x = 57,134,417,922.41
  5. Step 5: Solve for x
    x = 57,134,417,922.41/253,755.76
  6. Step 6: Final answer
    x = 225,155.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.