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Finding the Fourth Proportional to 136,373.58, 188,195.58 and 75,955.86

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Solution

The fourth proportional to 136,373.58, 188,195.58 and 75,955.86 is: 104,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,373.58 : 188,195.58 = 75,955.86 : x
  2. Step 2: Convert to fraction form
    136,373.58/188,195.58 = 75,955.86/x
  3. Step 3: Cross multiply
    136,373.58x = 188,195.58 × 75,955.86
  4. Step 4: Simplify right side
    136,373.58x = 14,294,557,127.10
  5. Step 5: Solve for x
    x = 14,294,557,127.10/136,373.58
  6. Step 6: Final answer
    x = 104,819.11

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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.