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Finding the Fourth Proportional to 169,582.60, 254,373.90 and 51,272.20

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Solution

The fourth proportional to 169,582.60, 254,373.90 and 51,272.20 is: 76,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,582.60 : 254,373.90 = 51,272.20 : x
  2. Step 2: Convert to fraction form
    169,582.60/254,373.90 = 51,272.20/x
  3. Step 3: Cross multiply
    169,582.60x = 254,373.90 × 51,272.20
  4. Step 4: Simplify right side
    169,582.60x = 13,042,309,475.58
  5. Step 5: Solve for x
    x = 13,042,309,475.58/169,582.60
  6. Step 6: Final answer
    x = 76,908.30

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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.