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Finding the Fourth Proportional to 92,227.64, 138,320.70 and 60,196.64

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Solution

The fourth proportional to 92,227.64, 138,320.70 and 60,196.64 is: 90,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,227.64 : 138,320.70 = 60,196.64 : x
  2. Step 2: Convert to fraction form
    92,227.64/138,320.70 = 60,196.64/x
  3. Step 3: Cross multiply
    92,227.64x = 138,320.70 × 60,196.64
  4. Step 4: Simplify right side
    92,227.64x = 8,326,440,690.84
  5. Step 5: Solve for x
    x = 8,326,440,690.84/92,227.64
  6. Step 6: Final answer
    x = 90,281.40

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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.