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Finding the Fourth Proportional to 92,401.40, 127,513.86 and 49,959.56

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Solution

The fourth proportional to 92,401.40, 127,513.86 and 49,959.56 is: 68,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,401.40 : 127,513.86 = 49,959.56 : x
  2. Step 2: Convert to fraction form
    92,401.40/127,513.86 = 49,959.56/x
  3. Step 3: Cross multiply
    92,401.40x = 127,513.86 × 49,959.56
  4. Step 4: Simplify right side
    92,401.40x = 6,370,536,339.50
  5. Step 5: Solve for x
    x = 6,370,536,339.50/92,401.40
  6. Step 6: Final answer
    x = 68,944.15

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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.