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Finding the Fourth Proportional to 92,275.21, 127,339.79 and 49,833.74

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Solution

The fourth proportional to 92,275.21, 127,339.79 and 49,833.74 is: 68,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,275.21 : 127,339.79 = 49,833.74 : x
  2. Step 2: Convert to fraction form
    92,275.21/127,339.79 = 49,833.74/x
  3. Step 3: Cross multiply
    92,275.21x = 127,339.79 × 49,833.74
  4. Step 4: Simplify right side
    92,275.21x = 6,345,817,986.51
  5. Step 5: Solve for x
    x = 6,345,817,986.51/92,275.21
  6. Step 6: Final answer
    x = 68,770.56

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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.