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Finding the Fourth Proportional to 247,558.91, 341,644.52 and 140,152.91

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Solution

The fourth proportional to 247,558.91, 341,644.52 and 140,152.91 is: 193,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,558.91 : 341,644.52 = 140,152.91 : x
  2. Step 2: Convert to fraction form
    247,558.91/341,644.52 = 140,152.91/x
  3. Step 3: Cross multiply
    247,558.91x = 341,644.52 × 140,152.91
  4. Step 4: Simplify right side
    247,558.91x = 47,882,472,962.79
  5. Step 5: Solve for x
    x = 47,882,472,962.79/247,558.91
  6. Step 6: Final answer
    x = 193,418.50

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1.5x scale

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.