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Finding the Fourth Proportional to 491,167.02, 736,750.57 and 136,181.05

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Solution

The fourth proportional to 491,167.02, 736,750.57 and 136,181.05 is: 204,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,167.02 : 736,750.57 = 136,181.05 : x
  2. Step 2: Convert to fraction form
    491,167.02/736,750.57 = 136,181.05/x
  3. Step 3: Cross multiply
    491,167.02x = 736,750.57 × 136,181.05
  4. Step 4: Simplify right side
    491,167.02x = 100,331,466,210.70
  5. Step 5: Solve for x
    x = 100,331,466,210.70/491,167.02
  6. Step 6: Final answer
    x = 204,271.59

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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.