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Finding the Fourth Proportional to 235,002.40, 351,920.40 and 188,346.40

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Solution

The fourth proportional to 235,002.40, 351,920.40 and 188,346.40 is: 282,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,002.40 : 351,920.40 = 188,346.40 : x
  2. Step 2: Convert to fraction form
    235,002.40/351,920.40 = 188,346.40/x
  3. Step 3: Cross multiply
    235,002.40x = 351,920.40 × 188,346.40
  4. Step 4: Simplify right side
    235,002.40x = 66,282,940,426.56
  5. Step 5: Solve for x
    x = 66,282,940,426.56/235,002.40
  6. Step 6: Final answer
    x = 282,052.19

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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.