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Finding the Fourth Proportional to 247,732.29, 341,859.08 and 140,303.12

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Solution

The fourth proportional to 247,732.29, 341,859.08 and 140,303.12 is: 193,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,732.29 : 341,859.08 = 140,303.12 : x
  2. Step 2: Convert to fraction form
    247,732.29/341,859.08 = 140,303.12/x
  3. Step 3: Cross multiply
    247,732.29x = 341,859.08 × 140,303.12
  4. Step 4: Simplify right side
    247,732.29x = 47,963,893,113.52
  5. Step 5: Solve for x
    x = 47,963,893,113.52/247,732.29
  6. Step 6: Final answer
    x = 193,611.79

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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.