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Finding the Fourth Proportional to 92,321.68, 127,400.30 and 52,043.62

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Solution

The fourth proportional to 92,321.68, 127,400.30 and 52,043.62 is: 71,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,321.68 : 127,400.30 = 52,043.62 : x
  2. Step 2: Convert to fraction form
    92,321.68/127,400.30 = 52,043.62/x
  3. Step 3: Cross multiply
    92,321.68x = 127,400.30 × 52,043.62
  4. Step 4: Simplify right side
    92,321.68x = 6,630,372,801.09
  5. Step 5: Solve for x
    x = 6,630,372,801.09/92,321.68
  6. Step 6: Final answer
    x = 71,818.16

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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.