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Finding the Fourth Proportional to 225,264.90, 310,834.89 and 134,601.75

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Solution

The fourth proportional to 225,264.90, 310,834.89 and 134,601.75 is: 185,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,264.90 : 310,834.89 = 134,601.75 : x
  2. Step 2: Convert to fraction form
    225,264.90/310,834.89 = 134,601.75/x
  3. Step 3: Cross multiply
    225,264.90x = 310,834.89 × 134,601.75
  4. Step 4: Simplify right side
    225,264.90x = 41,838,920,155.06
  5. Step 5: Solve for x
    x = 41,838,920,155.06/225,264.90
  6. Step 6: Final answer
    x = 185,732.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.