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Finding the Fourth Proportional to 92,313.26, 127,392.10 and 49,871.69

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Solution

The fourth proportional to 92,313.26, 127,392.10 and 49,871.69 is: 68,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,313.26 : 127,392.10 = 49,871.69 : x
  2. Step 2: Convert to fraction form
    92,313.26/127,392.10 = 49,871.69/x
  3. Step 3: Cross multiply
    92,313.26x = 127,392.10 × 49,871.69
  4. Step 4: Simplify right side
    92,313.26x = 6,353,259,319.65
  5. Step 5: Solve for x
    x = 6,353,259,319.65/92,313.26
  6. Step 6: Final answer
    x = 68,822.82

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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.