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Finding the Fourth Proportional to 354,787.83, 532,363.19 and 167,749.11

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Solution

The fourth proportional to 354,787.83, 532,363.19 and 167,749.11 is: 251,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,787.83 : 532,363.19 = 167,749.11 : x
  2. Step 2: Convert to fraction form
    354,787.83/532,363.19 = 167,749.11/x
  3. Step 3: Cross multiply
    354,787.83x = 532,363.19 × 167,749.11
  4. Step 4: Simplify right side
    354,787.83x = 89,303,450,480.52
  5. Step 5: Solve for x
    x = 89,303,450,480.52/354,787.83
  6. Step 6: Final answer
    x = 251,709.45

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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.