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Finding the Fourth Proportional to 195,387.60, 293,729.40 and 169,726.80

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Solution

The fourth proportional to 195,387.60, 293,729.40 and 169,726.80 is: 255,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,387.60 : 293,729.40 = 169,726.80 : x
  2. Step 2: Convert to fraction form
    195,387.60/293,729.40 = 169,726.80/x
  3. Step 3: Cross multiply
    195,387.60x = 293,729.40 × 169,726.80
  4. Step 4: Simplify right side
    195,387.60x = 49,853,751,127.92
  5. Step 5: Solve for x
    x = 49,853,751,127.92/195,387.60
  6. Step 6: Final answer
    x = 255,153.10

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1.5x scale

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.