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Finding the Fourth Proportional to 66,751.63, 92,116.98 and 36,124.65

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Solution

The fourth proportional to 66,751.63, 92,116.98 and 36,124.65 is: 49,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,751.63 : 92,116.98 = 36,124.65 : x
  2. Step 2: Convert to fraction form
    66,751.63/92,116.98 = 36,124.65/x
  3. Step 3: Cross multiply
    66,751.63x = 92,116.98 × 36,124.65
  4. Step 4: Simplify right side
    66,751.63x = 3,327,693,661.56
  5. Step 5: Solve for x
    x = 3,327,693,661.56/66,751.63
  6. Step 6: Final answer
    x = 49,851.87

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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.