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Finding the Fourth Proportional to 354,465.14, 531,694.97 and 88,223.86

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Solution

The fourth proportional to 354,465.14, 531,694.97 and 88,223.86 is: 132,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,465.14 : 531,694.97 = 88,223.86 : x
  2. Step 2: Convert to fraction form
    354,465.14/531,694.97 = 88,223.86/x
  3. Step 3: Cross multiply
    354,465.14x = 531,694.97 × 88,223.86
  4. Step 4: Simplify right side
    354,465.14x = 46,908,183,150.32
  5. Step 5: Solve for x
    x = 46,908,183,150.32/354,465.14
  6. Step 6: Final answer
    x = 132,335.11

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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.