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Finding the Fourth Proportional to 156,987.40, 235,481.10 and 150,863.80

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Solution

The fourth proportional to 156,987.40, 235,481.10 and 150,863.80 is: 226,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.40 : 235,481.10 = 150,863.80 : x
  2. Step 2: Convert to fraction form
    156,987.40/235,481.10 = 150,863.80/x
  3. Step 3: Cross multiply
    156,987.40x = 235,481.10 × 150,863.80
  4. Step 4: Simplify right side
    156,987.40x = 35,525,573,574.18
  5. Step 5: Solve for x
    x = 35,525,573,574.18/156,987.40
  6. Step 6: Final answer
    x = 226,295.70

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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.