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Finding the Fourth Proportional to 211,493.01, 317,258.21 and 59,691.44

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Solution

The fourth proportional to 211,493.01, 317,258.21 and 59,691.44 is: 89,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,493.01 : 317,258.21 = 59,691.44 : x
  2. Step 2: Convert to fraction form
    211,493.01/317,258.21 = 59,691.44/x
  3. Step 3: Cross multiply
    211,493.01x = 317,258.21 × 59,691.44
  4. Step 4: Simplify right side
    211,493.01x = 18,937,600,349.10
  5. Step 5: Solve for x
    x = 18,937,600,349.10/211,493.01
  6. Step 6: Final answer
    x = 89,542.44

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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.