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Finding the Fourth Proportional to 214,366.56, 321,526.80 and 88,020.06

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Solution

The fourth proportional to 214,366.56, 321,526.80 and 88,020.06 is: 132,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,366.56 : 321,526.80 = 88,020.06 : x
  2. Step 2: Convert to fraction form
    214,366.56/321,526.80 = 88,020.06/x
  3. Step 3: Cross multiply
    214,366.56x = 321,526.80 × 88,020.06
  4. Step 4: Simplify right side
    214,366.56x = 28,300,808,227.61
  5. Step 5: Solve for x
    x = 28,300,808,227.61/214,366.56
  6. Step 6: Final answer
    x = 132,020.63

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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.