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Finding the Fourth Proportional to 491,118.06, 736,604.19 and 136,095.06

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Solution

The fourth proportional to 491,118.06, 736,604.19 and 136,095.06 is: 204,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,118.06 : 736,604.19 = 136,095.06 : x
  2. Step 2: Convert to fraction form
    491,118.06/736,604.19 = 136,095.06/x
  3. Step 3: Cross multiply
    491,118.06x = 736,604.19 × 136,095.06
  4. Step 4: Simplify right side
    491,118.06x = 100,248,191,434.30
  5. Step 5: Solve for x
    x = 100,248,191,434.30/491,118.06
  6. Step 6: Final answer
    x = 204,122.39

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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.