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Finding the Fourth Proportional to 234,141.40, 351,213.01 and 56,648.12

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Solution

The fourth proportional to 234,141.40, 351,213.01 and 56,648.12 is: 84,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,141.40 : 351,213.01 = 56,648.12 : x
  2. Step 2: Convert to fraction form
    234,141.40/351,213.01 = 56,648.12/x
  3. Step 3: Cross multiply
    234,141.40x = 351,213.01 × 56,648.12
  4. Step 4: Simplify right side
    234,141.40x = 19,895,556,736.04
  5. Step 5: Solve for x
    x = 19,895,556,736.04/234,141.40
  6. Step 6: Final answer
    x = 84,972.40

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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.