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Finding the Fourth Proportional to 231,205.89, 346,808.82 and 64,993.89

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Solution

The fourth proportional to 231,205.89, 346,808.82 and 64,993.89 is: 97,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,205.89 : 346,808.82 = 64,993.89 : x
  2. Step 2: Convert to fraction form
    231,205.89/346,808.82 = 64,993.89/x
  3. Step 3: Cross multiply
    231,205.89x = 346,808.82 × 64,993.89
  4. Step 4: Simplify right side
    231,205.89x = 22,540,454,298.11
  5. Step 5: Solve for x
    x = 22,540,454,298.11/231,205.89
  6. Step 6: Final answer
    x = 97,490.83

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1.5x scale

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.