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Finding the Fourth Proportional to 247,699.52, 341,823.84 and 134,521.28

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Solution

The fourth proportional to 247,699.52, 341,823.84 and 134,521.28 is: 185,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,699.52 : 341,823.84 = 134,521.28 : x
  2. Step 2: Convert to fraction form
    247,699.52/341,823.84 = 134,521.28/x
  3. Step 3: Cross multiply
    247,699.52x = 341,823.84 × 134,521.28
  4. Step 4: Simplify right side
    247,699.52x = 45,982,580,491.32
  5. Step 5: Solve for x
    x = 45,982,580,491.32/247,699.52
  6. Step 6: Final answer
    x = 185,638.55

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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.