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Finding the Fourth Proportional to 67,393.48, 92,984.34 and 43,521.16

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Solution

The fourth proportional to 67,393.48, 92,984.34 and 43,521.16 is: 60,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,393.48 : 92,984.34 = 43,521.16 : x
  2. Step 2: Convert to fraction form
    67,393.48/92,984.34 = 43,521.16/x
  3. Step 3: Cross multiply
    67,393.48x = 92,984.34 × 43,521.16
  4. Step 4: Simplify right side
    67,393.48x = 4,046,786,338.63
  5. Step 5: Solve for x
    x = 4,046,786,338.63/67,393.48
  6. Step 6: Final answer
    x = 60,047.15

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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.