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Finding the Fourth Proportional to 202,866.22, 304,327.01 and 84,509.88

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Solution

The fourth proportional to 202,866.22, 304,327.01 and 84,509.88 is: 126,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,866.22 : 304,327.01 = 84,509.88 : x
  2. Step 2: Convert to fraction form
    202,866.22/304,327.01 = 84,509.88/x
  3. Step 3: Cross multiply
    202,866.22x = 304,327.01 × 84,509.88
  4. Step 4: Simplify right side
    202,866.22x = 25,718,639,095.86
  5. Step 5: Solve for x
    x = 25,718,639,095.86/202,866.22
  6. Step 6: Final answer
    x = 126,776.35

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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.