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Finding the Fourth Proportional to 92,086.67, 127,078.77 and 51,800.74

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Solution

The fourth proportional to 92,086.67, 127,078.77 and 51,800.74 is: 71,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,086.67 : 127,078.77 = 51,800.74 : x
  2. Step 2: Convert to fraction form
    92,086.67/127,078.77 = 51,800.74/x
  3. Step 3: Cross multiply
    92,086.67x = 127,078.77 × 51,800.74
  4. Step 4: Simplify right side
    92,086.67x = 6,582,774,558.25
  5. Step 5: Solve for x
    x = 6,582,774,558.25/92,086.67
  6. Step 6: Final answer
    x = 71,484.55

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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.