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Finding the Fourth Proportional to 167,425.60, 251,138.40 and 153,947.20

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Solution

The fourth proportional to 167,425.60, 251,138.40 and 153,947.20 is: 230,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,425.60 : 251,138.40 = 153,947.20 : x
  2. Step 2: Convert to fraction form
    167,425.60/251,138.40 = 153,947.20/x
  3. Step 3: Cross multiply
    167,425.60x = 251,138.40 × 153,947.20
  4. Step 4: Simplify right side
    167,425.60x = 38,662,053,492.48
  5. Step 5: Solve for x
    x = 38,662,053,492.48/167,425.60
  6. Step 6: Final answer
    x = 230,920.80

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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.