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Finding the Fourth Proportional to 169,314.80, 254,069.40 and 64,209.20

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Solution

The fourth proportional to 169,314.80, 254,069.40 and 64,209.20 is: 96,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,314.80 : 254,069.40 = 64,209.20 : x
  2. Step 2: Convert to fraction form
    169,314.80/254,069.40 = 64,209.20/x
  3. Step 3: Cross multiply
    169,314.80x = 254,069.40 × 64,209.20
  4. Step 4: Simplify right side
    169,314.80x = 16,313,592,918.48
  5. Step 5: Solve for x
    x = 16,313,592,918.48/169,314.80
  6. Step 6: Final answer
    x = 96,350.66

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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.