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Finding the Fourth Proportional to 92,481.55, 127,624.61 and 64,203.64

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Solution

The fourth proportional to 92,481.55, 127,624.61 and 64,203.64 is: 88,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,481.55 : 127,624.61 = 64,203.64 : x
  2. Step 2: Convert to fraction form
    92,481.55/127,624.61 = 64,203.64/x
  3. Step 3: Cross multiply
    92,481.55x = 127,624.61 × 64,203.64
  4. Step 4: Simplify right side
    92,481.55x = 8,193,964,515.58
  5. Step 5: Solve for x
    x = 8,193,964,515.58/92,481.55
  6. Step 6: Final answer
    x = 88,601.07

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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.