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Finding the Fourth Proportional to 92,400.96, 127,513.04 and 49,959.49

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Solution

The fourth proportional to 92,400.96, 127,513.04 and 49,959.49 is: 68,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400.96 : 127,513.04 = 49,959.49 : x
  2. Step 2: Convert to fraction form
    92,400.96/127,513.04 = 49,959.49/x
  3. Step 3: Cross multiply
    92,400.96x = 127,513.04 × 49,959.49
  4. Step 4: Simplify right side
    92,400.96x = 6,370,486,446.75
  5. Step 5: Solve for x
    x = 6,370,486,446.75/92,400.96
  6. Step 6: Final answer
    x = 68,943.94

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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.