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Finding the Fourth Proportional to 124,589.61, 186,877.94 and 35,839.67

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Solution

The fourth proportional to 124,589.61, 186,877.94 and 35,839.67 is: 53,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,589.61 : 186,877.94 = 35,839.67 : x
  2. Step 2: Convert to fraction form
    124,589.61/186,877.94 = 35,839.67/x
  3. Step 3: Cross multiply
    124,589.61x = 186,877.94 × 35,839.67
  4. Step 4: Simplify right side
    124,589.61x = 6,697,642,586.29
  5. Step 5: Solve for x
    x = 6,697,642,586.29/124,589.61
  6. Step 6: Final answer
    x = 53,757.63

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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.