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Finding the Fourth Proportional to 187,076.75, 280,684.84 and 112,250.60

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Solution

The fourth proportional to 187,076.75, 280,684.84 and 112,250.60 is: 168,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,076.75 : 280,684.84 = 112,250.60 : x
  2. Step 2: Convert to fraction form
    187,076.75/280,684.84 = 112,250.60/x
  3. Step 3: Cross multiply
    187,076.75x = 280,684.84 × 112,250.60
  4. Step 4: Simplify right side
    187,076.75x = 31,507,041,700.90
  5. Step 5: Solve for x
    x = 31,507,041,700.90/187,076.75
  6. Step 6: Final answer
    x = 168,417.73

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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.