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Finding the Fourth Proportional to 214,801.34, 321,937.36 and 88,362.65

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Solution

The fourth proportional to 214,801.34, 321,937.36 and 88,362.65 is: 132,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,801.34 : 321,937.36 = 88,362.65 : x
  2. Step 2: Convert to fraction form
    214,801.34/321,937.36 = 88,362.65/x
  3. Step 3: Cross multiply
    214,801.34x = 321,937.36 × 88,362.65
  4. Step 4: Simplify right side
    214,801.34x = 28,447,238,847.54
  5. Step 5: Solve for x
    x = 28,447,238,847.54/214,801.34
  6. Step 6: Final answer
    x = 132,435.11

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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.