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Finding the Fourth Proportional to 67,179.96, 92,118.84 and 65,430.36

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Solution

The fourth proportional to 67,179.96, 92,118.84 and 65,430.36 is: 89,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,179.96 : 92,118.84 = 65,430.36 : x
  2. Step 2: Convert to fraction form
    67,179.96/92,118.84 = 65,430.36/x
  3. Step 3: Cross multiply
    67,179.96x = 92,118.84 × 65,430.36
  4. Step 4: Simplify right side
    67,179.96x = 6,027,368,863.98
  5. Step 5: Solve for x
    x = 6,027,368,863.98/67,179.96
  6. Step 6: Final answer
    x = 89,719.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.