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Finding the Fourth Proportional to 169,629.80, 254,444.70 and 44,970.80

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Solution

The fourth proportional to 169,629.80, 254,444.70 and 44,970.80 is: 67,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,629.80 : 254,444.70 = 44,970.80 : x
  2. Step 2: Convert to fraction form
    169,629.80/254,444.70 = 44,970.80/x
  3. Step 3: Cross multiply
    169,629.80x = 254,444.70 × 44,970.80
  4. Step 4: Simplify right side
    169,629.80x = 11,442,581,714.76
  5. Step 5: Solve for x
    x = 11,442,581,714.76/169,629.80
  6. Step 6: Final answer
    x = 67,456.20

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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.