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Finding the Fourth Proportional to 231,209.70, 346,814.55 and 73,454.10

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Solution

The fourth proportional to 231,209.70, 346,814.55 and 73,454.10 is: 110,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,209.70 : 346,814.55 = 73,454.10 : x
  2. Step 2: Convert to fraction form
    231,209.70/346,814.55 = 73,454.10/x
  3. Step 3: Cross multiply
    231,209.70x = 346,814.55 × 73,454.10
  4. Step 4: Simplify right side
    231,209.70x = 25,474,950,637.16
  5. Step 5: Solve for x
    x = 25,474,950,637.16/231,209.70
  6. Step 6: Final answer
    x = 110,181.15

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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.