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Finding the Fourth Proportional to 187,043.60, 281,256.60 and 156,630.80

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Solution

The fourth proportional to 187,043.60, 281,256.60 and 156,630.80 is: 235,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,043.60 : 281,256.60 = 156,630.80 : x
  2. Step 2: Convert to fraction form
    187,043.60/281,256.60 = 156,630.80/x
  3. Step 3: Cross multiply
    187,043.60x = 281,256.60 × 156,630.80
  4. Step 4: Simplify right side
    187,043.60x = 44,053,446,263.28
  5. Step 5: Solve for x
    x = 44,053,446,263.28/187,043.60
  6. Step 6: Final answer
    x = 235,525.01

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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.