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Finding the Fourth Proportional to 169,445.32, 254,168.94 and 44,785

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Solution

The fourth proportional to 169,445.32, 254,168.94 and 44,785 is: 67,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,445.32 : 254,168.94 = 44,785 : x
  2. Step 2: Convert to fraction form
    169,445.32/254,168.94 = 44,785/x
  3. Step 3: Cross multiply
    169,445.32x = 254,168.94 × 44,785
  4. Step 4: Simplify right side
    169,445.32x = 11,382,955,977.90
  5. Step 5: Solve for x
    x = 11,382,955,977.90/169,445.32
  6. Step 6: Final answer
    x = 67,177.75

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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.