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Finding the Fourth Proportional to 137,881.33, 206,797.35 and 36,679.93

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Solution

The fourth proportional to 137,881.33, 206,797.35 and 36,679.93 is: 55,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,881.33 : 206,797.35 = 36,679.93 : x
  2. Step 2: Convert to fraction form
    137,881.33/206,797.35 = 36,679.93/x
  3. Step 3: Cross multiply
    137,881.33x = 206,797.35 × 36,679.93
  4. Step 4: Simplify right side
    137,881.33x = 7,585,312,322.19
  5. Step 5: Solve for x
    x = 7,585,312,322.19/137,881.33
  6. Step 6: Final answer
    x = 55,013.34

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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.