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Finding the Fourth Proportional to 92,271.59, 127,334.78 and 49,830.12

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Solution

The fourth proportional to 92,271.59, 127,334.78 and 49,830.12 is: 68,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,271.59 : 127,334.78 = 49,830.12 : x
  2. Step 2: Convert to fraction form
    92,271.59/127,334.78 = 49,830.12/x
  3. Step 3: Cross multiply
    92,271.59x = 127,334.78 × 49,830.12
  4. Step 4: Simplify right side
    92,271.59x = 6,345,107,367.57
  5. Step 5: Solve for x
    x = 6,345,107,367.57/92,271.59
  6. Step 6: Final answer
    x = 68,765.56

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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.