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Finding the Fourth Proportional to 67,486.80, 93,130.36 and 37,270.36

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Solution

The fourth proportional to 67,486.80, 93,130.36 and 37,270.36 is: 51,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,486.80 : 93,130.36 = 37,270.36 : x
  2. Step 2: Convert to fraction form
    67,486.80/93,130.36 = 37,270.36/x
  3. Step 3: Cross multiply
    67,486.80x = 93,130.36 × 37,270.36
  4. Step 4: Simplify right side
    67,486.80x = 3,471,002,044.13
  5. Step 5: Solve for x
    x = 3,471,002,044.13/67,486.80
  6. Step 6: Final answer
    x = 51,432.31

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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.