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Finding the Fourth Proportional to 187,698.57, 281,575.29 and 54,561.52

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Solution

The fourth proportional to 187,698.57, 281,575.29 and 54,561.52 is: 81,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,698.57 : 281,575.29 = 54,561.52 : x
  2. Step 2: Convert to fraction form
    187,698.57/281,575.29 = 54,561.52/x
  3. Step 3: Cross multiply
    187,698.57x = 281,575.29 × 54,561.52
  4. Step 4: Simplify right side
    187,698.57x = 15,363,175,816.84
  5. Step 5: Solve for x
    x = 15,363,175,816.84/187,698.57
  6. Step 6: Final answer
    x = 81,850.25

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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.