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Finding the Fourth Proportional to 221,730, 332,616.81 and 59,622.03

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Solution

The fourth proportional to 221,730, 332,616.81 and 59,622.03 is: 89,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,730 : 332,616.81 = 59,622.03 : x
  2. Step 2: Convert to fraction form
    221,730/332,616.81 = 59,622.03/x
  3. Step 3: Cross multiply
    221,730x = 332,616.81 × 59,622.03
  4. Step 4: Simplify right side
    221,730x = 19,831,289,424.32
  5. Step 5: Solve for x
    x = 19,831,289,424.32/221,730
  6. Step 6: Final answer
    x = 89,438.91

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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.