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Finding the Fourth Proportional to 92,967.38, 128,251.16 and 67,417.69

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Solution

The fourth proportional to 92,967.38, 128,251.16 and 67,417.69 is: 93,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,967.38 : 128,251.16 = 67,417.69 : x
  2. Step 2: Convert to fraction form
    92,967.38/128,251.16 = 67,417.69/x
  3. Step 3: Cross multiply
    92,967.38x = 128,251.16 × 67,417.69
  4. Step 4: Simplify right side
    92,967.38x = 8,646,396,947.02
  5. Step 5: Solve for x
    x = 8,646,396,947.02/92,967.38
  6. Step 6: Final answer
    x = 93,004.63

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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.