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Finding the Fourth Proportional to 136,339.58, 204,506.30 and 36,499.70

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Solution

The fourth proportional to 136,339.58, 204,506.30 and 36,499.70 is: 54,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,339.58 : 204,506.30 = 36,499.70 : x
  2. Step 2: Convert to fraction form
    136,339.58/204,506.30 = 36,499.70/x
  3. Step 3: Cross multiply
    136,339.58x = 204,506.30 × 36,499.70
  4. Step 4: Simplify right side
    136,339.58x = 7,464,418,598.11
  5. Step 5: Solve for x
    x = 7,464,418,598.11/136,339.58
  6. Step 6: Final answer
    x = 54,748.73

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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.