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Finding the Fourth Proportional to 92,272.40, 127,335.90 and 49,830.93

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Solution

The fourth proportional to 92,272.40, 127,335.90 and 49,830.93 is: 68,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,272.40 : 127,335.90 = 49,830.93 : x
  2. Step 2: Convert to fraction form
    92,272.40/127,335.90 = 49,830.93/x
  3. Step 3: Cross multiply
    92,272.40x = 127,335.90 × 49,830.93
  4. Step 4: Simplify right side
    92,272.40x = 6,345,266,319.39
  5. Step 5: Solve for x
    x = 6,345,266,319.39/92,272.40
  6. Step 6: Final answer
    x = 68,766.68

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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.