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Finding the Fourth Proportional to 124,414.53, 186,511.29 and 48,495.57

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Solution

The fourth proportional to 124,414.53, 186,511.29 and 48,495.57 is: 72,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,414.53 : 186,511.29 = 48,495.57 : x
  2. Step 2: Convert to fraction form
    124,414.53/186,511.29 = 48,495.57/x
  3. Step 3: Cross multiply
    124,414.53x = 186,511.29 × 48,495.57
  4. Step 4: Simplify right side
    124,414.53x = 9,044,971,319.99
  5. Step 5: Solve for x
    x = 9,044,971,319.99/124,414.53
  6. Step 6: Final answer
    x = 72,700.28

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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.