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Finding the Fourth Proportional to 221,807.94, 332,730.03 and 88,615.32

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Solution

The fourth proportional to 221,807.94, 332,730.03 and 88,615.32 is: 132,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,807.94 : 332,730.03 = 88,615.32 : x
  2. Step 2: Convert to fraction form
    221,807.94/332,730.03 = 88,615.32/x
  3. Step 3: Cross multiply
    221,807.94x = 332,730.03 × 88,615.32
  4. Step 4: Simplify right side
    221,807.94x = 29,484,978,082.06
  5. Step 5: Solve for x
    x = 29,484,978,082.06/221,807.94
  6. Step 6: Final answer
    x = 132,930.22

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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.