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Finding the Fourth Proportional to 141,523.71, 212,223.24 and 74,948.28

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Solution

The fourth proportional to 141,523.71, 212,223.24 and 74,948.28 is: 112,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,523.71 : 212,223.24 = 74,948.28 : x
  2. Step 2: Convert to fraction form
    141,523.71/212,223.24 = 74,948.28/x
  3. Step 3: Cross multiply
    141,523.71x = 212,223.24 × 74,948.28
  4. Step 4: Simplify right side
    141,523.71x = 15,905,766,814.03
  5. Step 5: Solve for x
    x = 15,905,766,814.03/141,523.71
  6. Step 6: Final answer
    x = 112,389.41

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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.