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Finding the Fourth Proportional to 180,080.40, 269,764.20 and 157,918.80

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Solution

The fourth proportional to 180,080.40, 269,764.20 and 157,918.80 is: 236,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,080.40 : 269,764.20 = 157,918.80 : x
  2. Step 2: Convert to fraction form
    180,080.40/269,764.20 = 157,918.80/x
  3. Step 3: Cross multiply
    180,080.40x = 269,764.20 × 157,918.80
  4. Step 4: Simplify right side
    180,080.40x = 42,600,838,746.96
  5. Step 5: Solve for x
    x = 42,600,838,746.96/180,080.40
  6. Step 6: Final answer
    x = 236,565.66

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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.