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Finding the Fourth Proportional to 187,462.72, 281,223.34 and 61,073.60

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Solution

The fourth proportional to 187,462.72, 281,223.34 and 61,073.60 is: 91,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,462.72 : 281,223.34 = 61,073.60 : x
  2. Step 2: Convert to fraction form
    187,462.72/281,223.34 = 61,073.60/x
  3. Step 3: Cross multiply
    187,462.72x = 281,223.34 × 61,073.60
  4. Step 4: Simplify right side
    187,462.72x = 17,175,321,259.13
  5. Step 5: Solve for x
    x = 17,175,321,259.13/187,462.72
  6. Step 6: Final answer
    x = 91,619.93

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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.