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Finding the Fourth Proportional to 214,907.33, 322,399.91 and 70,820.84

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Solution

The fourth proportional to 214,907.33, 322,399.91 and 70,820.84 is: 106,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,907.33 : 322,399.91 = 70,820.84 : x
  2. Step 2: Convert to fraction form
    214,907.33/322,399.91 = 70,820.84/x
  3. Step 3: Cross multiply
    214,907.33x = 322,399.91 × 70,820.84
  4. Step 4: Simplify right side
    214,907.33x = 22,832,633,425.18
  5. Step 5: Solve for x
    x = 22,832,633,425.18/214,907.33
  6. Step 6: Final answer
    x = 106,244.09

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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.