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Finding the Fourth Proportional to 356,787.52, 535,264.98 and 104,072.92

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Solution

The fourth proportional to 356,787.52, 535,264.98 and 104,072.92 is: 156,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,787.52 : 535,264.98 = 104,072.92 : x
  2. Step 2: Convert to fraction form
    356,787.52/535,264.98 = 104,072.92/x
  3. Step 3: Cross multiply
    356,787.52x = 535,264.98 × 104,072.92
  4. Step 4: Simplify right side
    356,787.52x = 55,706,589,442.34
  5. Step 5: Solve for x
    x = 55,706,589,442.34/356,787.52
  6. Step 6: Final answer
    x = 156,133.79

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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.