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Finding the Fourth Proportional to 187,578.01, 281,396.42 and 61,189.08

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Solution

The fourth proportional to 187,578.01, 281,396.42 and 61,189.08 is: 91,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,578.01 : 281,396.42 = 61,189.08 : x
  2. Step 2: Convert to fraction form
    187,578.01/281,396.42 = 61,189.08/x
  3. Step 3: Cross multiply
    187,578.01x = 281,396.42 × 61,189.08
  4. Step 4: Simplify right side
    187,578.01x = 17,218,388,055.09
  5. Step 5: Solve for x
    x = 17,218,388,055.09/187,578.01
  6. Step 6: Final answer
    x = 91,793.21

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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.