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Finding the Fourth Proportional to 247,612.88, 341,710.02 and 134,435.63

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Solution

The fourth proportional to 247,612.88, 341,710.02 and 134,435.63 is: 185,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,612.88 : 341,710.02 = 134,435.63 : x
  2. Step 2: Convert to fraction form
    247,612.88/341,710.02 = 134,435.63/x
  3. Step 3: Cross multiply
    247,612.88x = 341,710.02 × 134,435.63
  4. Step 4: Simplify right side
    247,612.88x = 45,938,000,107.46
  5. Step 5: Solve for x
    x = 45,938,000,107.46/247,612.88
  6. Step 6: Final answer
    x = 185,523.47

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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.