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Finding the Fourth Proportional to 187,037.60, 281,247.60 and 156,624.80

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Solution

The fourth proportional to 187,037.60, 281,247.60 and 156,624.80 is: 235,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,037.60 : 281,247.60 = 156,624.80 : x
  2. Step 2: Convert to fraction form
    187,037.60/281,247.60 = 156,624.80/x
  3. Step 3: Cross multiply
    187,037.60x = 281,247.60 × 156,624.80
  4. Step 4: Simplify right side
    187,037.60x = 44,050,349,100.48
  5. Step 5: Solve for x
    x = 44,050,349,100.48/187,037.60
  6. Step 6: Final answer
    x = 235,516.01

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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.