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Finding the Fourth Proportional to 66,757, 92,124.80 and 36,544.26

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Solution

The fourth proportional to 66,757, 92,124.80 and 36,544.26 is: 50,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,757 : 92,124.80 = 36,544.26 : x
  2. Step 2: Convert to fraction form
    66,757/92,124.80 = 36,544.26/x
  3. Step 3: Cross multiply
    66,757x = 92,124.80 × 36,544.26
  4. Step 4: Simplify right side
    66,757x = 3,366,632,643.65
  5. Step 5: Solve for x
    x = 3,366,632,643.65/66,757
  6. Step 6: Final answer
    x = 50,431.16

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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.