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Finding the Fourth Proportional to 187,536.98, 281,314.54 and 61,176.98

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Solution

The fourth proportional to 187,536.98, 281,314.54 and 61,176.98 is: 91,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,536.98 : 281,314.54 = 61,176.98 : x
  2. Step 2: Convert to fraction form
    187,536.98/281,314.54 = 61,176.98/x
  3. Step 3: Cross multiply
    187,536.98x = 281,314.54 × 61,176.98
  4. Step 4: Simplify right side
    187,536.98x = 17,209,973,987.29
  5. Step 5: Solve for x
    x = 17,209,973,987.29/187,536.98
  6. Step 6: Final answer
    x = 91,768.43

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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.