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Finding the Fourth Proportional to 66,934.06, 100,264.40 and 37,367.64

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Solution

The fourth proportional to 66,934.06, 100,264.40 and 37,367.64 is: 55,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,934.06 : 100,264.40 = 37,367.64 : x
  2. Step 2: Convert to fraction form
    66,934.06/100,264.40 = 37,367.64/x
  3. Step 3: Cross multiply
    66,934.06x = 100,264.40 × 37,367.64
  4. Step 4: Simplify right side
    66,934.06x = 3,746,644,004.02
  5. Step 5: Solve for x
    x = 3,746,644,004.02/66,934.06
  6. Step 6: Final answer
    x = 55,975.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.