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Finding the Fourth Proportional to 67,161.99, 92,094.15 and 65,412.39

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Solution

The fourth proportional to 67,161.99, 92,094.15 and 65,412.39 is: 89,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161.99 : 92,094.15 = 65,412.39 : x
  2. Step 2: Convert to fraction form
    67,161.99/92,094.15 = 65,412.39/x
  3. Step 3: Cross multiply
    67,161.99x = 92,094.15 × 65,412.39
  4. Step 4: Simplify right side
    67,161.99x = 6,024,098,456.52
  5. Step 5: Solve for x
    x = 6,024,098,456.52/67,161.99
  6. Step 6: Final answer
    x = 89,695.06

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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.