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Finding the Fourth Proportional to 220,525.94, 330,898.22 and 87,403.25

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Solution

The fourth proportional to 220,525.94, 330,898.22 and 87,403.25 is: 131,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,525.94 : 330,898.22 = 87,403.25 : x
  2. Step 2: Convert to fraction form
    220,525.94/330,898.22 = 87,403.25/x
  3. Step 3: Cross multiply
    220,525.94x = 330,898.22 × 87,403.25
  4. Step 4: Simplify right side
    220,525.94x = 28,921,577,755.71
  5. Step 5: Solve for x
    x = 28,921,577,755.71/220,525.94
  6. Step 6: Final answer
    x = 131,148.19

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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.