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Finding the Fourth Proportional to 186,510.67, 279,805.79 and 60,158.03

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Solution

The fourth proportional to 186,510.67, 279,805.79 and 60,158.03 is: 90,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,510.67 : 279,805.79 = 60,158.03 : x
  2. Step 2: Convert to fraction form
    186,510.67/279,805.79 = 60,158.03/x
  3. Step 3: Cross multiply
    186,510.67x = 279,805.79 × 60,158.03
  4. Step 4: Simplify right side
    186,510.67x = 16,832,563,860.36
  5. Step 5: Solve for x
    x = 16,832,563,860.36/186,510.67
  6. Step 6: Final answer
    x = 90,249.87

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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.