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Finding the Fourth Proportional to 247,910.16, 342,118.08 and 134,732.88

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Solution

The fourth proportional to 247,910.16, 342,118.08 and 134,732.88 is: 185,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,910.16 : 342,118.08 = 134,732.88 : x
  2. Step 2: Convert to fraction form
    247,910.16/342,118.08 = 134,732.88/x
  3. Step 3: Cross multiply
    247,910.16x = 342,118.08 × 134,732.88
  4. Step 4: Simplify right side
    247,910.16x = 46,094,554,218.47
  5. Step 5: Solve for x
    x = 46,094,554,218.47/247,910.16
  6. Step 6: Final answer
    x = 185,932.49

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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.