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Finding the Fourth Proportional to 92,275.68, 127,340.44 and 49,834.20

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Solution

The fourth proportional to 92,275.68, 127,340.44 and 49,834.20 is: 68,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,275.68 : 127,340.44 = 49,834.20 : x
  2. Step 2: Convert to fraction form
    92,275.68/127,340.44 = 49,834.20/x
  3. Step 3: Cross multiply
    92,275.68x = 127,340.44 × 49,834.20
  4. Step 4: Simplify right side
    92,275.68x = 6,345,908,955.05
  5. Step 5: Solve for x
    x = 6,345,908,955.05/92,275.68
  6. Step 6: Final answer
    x = 68,771.20

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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.