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Finding the Fourth Proportional to 491,082.04, 736,620.86 and 136,095

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Solution

The fourth proportional to 491,082.04, 736,620.86 and 136,095 is: 204,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,082.04 : 736,620.86 = 136,095 : x
  2. Step 2: Convert to fraction form
    491,082.04/736,620.86 = 136,095/x
  3. Step 3: Cross multiply
    491,082.04x = 736,620.86 × 136,095
  4. Step 4: Simplify right side
    491,082.04x = 100,250,415,941.70
  5. Step 5: Solve for x
    x = 100,250,415,941.70/491,082.04
  6. Step 6: Final answer
    x = 204,141.89

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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.