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Finding the Fourth Proportional to 234,329.32, 351,506.28 and 74,418.01

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Solution

The fourth proportional to 234,329.32, 351,506.28 and 74,418.01 is: 111,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,329.32 : 351,506.28 = 74,418.01 : x
  2. Step 2: Convert to fraction form
    234,329.32/351,506.28 = 74,418.01/x
  3. Step 3: Cross multiply
    234,329.32x = 351,506.28 × 74,418.01
  4. Step 4: Simplify right side
    234,329.32x = 26,158,397,860.10
  5. Step 5: Solve for x
    x = 26,158,397,860.10/234,329.32
  6. Step 6: Final answer
    x = 111,630.92

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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.