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Finding the Fourth Proportional to 479,182.40, 718,772.91 and 124,196.76

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Solution

The fourth proportional to 479,182.40, 718,772.91 and 124,196.76 is: 186,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,182.40 : 718,772.91 = 124,196.76 : x
  2. Step 2: Convert to fraction form
    479,182.40/718,772.91 = 124,196.76/x
  3. Step 3: Cross multiply
    479,182.40x = 718,772.91 × 124,196.76
  4. Step 4: Simplify right side
    479,182.40x = 89,269,266,132.03
  5. Step 5: Solve for x
    x = 89,269,266,132.03/479,182.40
  6. Step 6: Final answer
    x = 186,294.96

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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.