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Finding the Fourth Proportional to 136,095.62, 187,801.29 and 75,662.59

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Solution

The fourth proportional to 136,095.62, 187,801.29 and 75,662.59 is: 104,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,095.62 : 187,801.29 = 75,662.59 : x
  2. Step 2: Convert to fraction form
    136,095.62/187,801.29 = 75,662.59/x
  3. Step 3: Cross multiply
    136,095.62x = 187,801.29 × 75,662.59
  4. Step 4: Simplify right side
    136,095.62x = 14,209,532,006.74
  5. Step 5: Solve for x
    x = 14,209,532,006.74/136,095.62
  6. Step 6: Final answer
    x = 104,408.44

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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.