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Finding the Fourth Proportional to 269,373.84, 371,718.90 and 148,508.34

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Solution

The fourth proportional to 269,373.84, 371,718.90 and 148,508.34 is: 204,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,373.84 : 371,718.90 = 148,508.34 : x
  2. Step 2: Convert to fraction form
    269,373.84/371,718.90 = 148,508.34/x
  3. Step 3: Cross multiply
    269,373.84x = 371,718.90 × 148,508.34
  4. Step 4: Simplify right side
    269,373.84x = 55,203,356,785.63
  5. Step 5: Solve for x
    x = 55,203,356,785.63/269,373.84
  6. Step 6: Final answer
    x = 204,932.14

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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.