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Finding the Fourth Proportional to 136,700.67, 205,061.73 and 36,859.35

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Solution

The fourth proportional to 136,700.67, 205,061.73 and 36,859.35 is: 55,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,700.67 : 205,061.73 = 36,859.35 : x
  2. Step 2: Convert to fraction form
    136,700.67/205,061.73 = 36,859.35/x
  3. Step 3: Cross multiply
    136,700.67x = 205,061.73 × 36,859.35
  4. Step 4: Simplify right side
    136,700.67x = 7,558,442,077.68
  5. Step 5: Solve for x
    x = 7,558,442,077.68/136,700.67
  6. Step 6: Final answer
    x = 55,291.92

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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.