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Finding the Fourth Proportional to 187,751.40, 281,624.67 and 45,597.84

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Solution

The fourth proportional to 187,751.40, 281,624.67 and 45,597.84 is: 68,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,751.40 : 281,624.67 = 45,597.84 : x
  2. Step 2: Convert to fraction form
    187,751.40/281,624.67 = 45,597.84/x
  3. Step 3: Cross multiply
    187,751.40x = 281,624.67 × 45,597.84
  4. Step 4: Simplify right side
    187,751.40x = 12,841,476,642.71
  5. Step 5: Solve for x
    x = 12,841,476,642.71/187,751.40
  6. Step 6: Final answer
    x = 68,396.17

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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.