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Finding the Fourth Proportional to 214,526.88, 321,894 and 88,260.30

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Solution

The fourth proportional to 214,526.88, 321,894 and 88,260.30 is: 132,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,526.88 : 321,894 = 88,260.30 : x
  2. Step 2: Convert to fraction form
    214,526.88/321,894 = 88,260.30/x
  3. Step 3: Cross multiply
    214,526.88x = 321,894 × 88,260.30
  4. Step 4: Simplify right side
    214,526.88x = 28,410,461,008.20
  5. Step 5: Solve for x
    x = 28,410,461,008.20/214,526.88
  6. Step 6: Final answer
    x = 132,433.11

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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.