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Finding the Fourth Proportional to 92,112.40, 138,168.60 and 32,952.70

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Solution

The fourth proportional to 92,112.40, 138,168.60 and 32,952.70 is: 49,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,112.40 : 138,168.60 = 32,952.70 : x
  2. Step 2: Convert to fraction form
    92,112.40/138,168.60 = 32,952.70/x
  3. Step 3: Cross multiply
    92,112.40x = 138,168.60 × 32,952.70
  4. Step 4: Simplify right side
    92,112.40x = 4,553,028,425.22
  5. Step 5: Solve for x
    x = 4,553,028,425.22/92,112.40
  6. Step 6: Final answer
    x = 49,429.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.