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Finding the Fourth Proportional to 169,081.20, 253,602.60 and 44,434.80

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Solution

The fourth proportional to 169,081.20, 253,602.60 and 44,434.80 is: 66,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,081.20 : 253,602.60 = 44,434.80 : x
  2. Step 2: Convert to fraction form
    169,081.20/253,602.60 = 44,434.80/x
  3. Step 3: Cross multiply
    169,081.20x = 253,602.60 × 44,434.80
  4. Step 4: Simplify right side
    169,081.20x = 11,268,780,810.48
  5. Step 5: Solve for x
    x = 11,268,780,810.48/169,081.20
  6. Step 6: Final answer
    x = 66,647.15

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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.