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Finding the Fourth Proportional to 247,673.64, 341,790.94 and 140,264.58

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Solution

The fourth proportional to 247,673.64, 341,790.94 and 140,264.58 is: 193,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,673.64 : 341,790.94 = 140,264.58 : x
  2. Step 2: Convert to fraction form
    247,673.64/341,790.94 = 140,264.58/x
  3. Step 3: Cross multiply
    247,673.64x = 341,790.94 × 140,264.58
  4. Step 4: Simplify right side
    247,673.64x = 47,941,162,646.91
  5. Step 5: Solve for x
    x = 47,941,162,646.91/247,673.64
  6. Step 6: Final answer
    x = 193,565.87

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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.