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Finding the Fourth Proportional to 67,342.32, 92,928.06 and 37,127.88

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Solution

The fourth proportional to 67,342.32, 92,928.06 and 37,127.88 is: 51,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342.32 : 92,928.06 = 37,127.88 : x
  2. Step 2: Convert to fraction form
    67,342.32/92,928.06 = 37,127.88/x
  3. Step 3: Cross multiply
    67,342.32x = 92,928.06 × 37,127.88
  4. Step 4: Simplify right side
    67,342.32x = 3,450,221,860.31
  5. Step 5: Solve for x
    x = 3,450,221,860.31/67,342.32
  6. Step 6: Final answer
    x = 51,234.08

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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.