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Finding the Fourth Proportional to 239,622.36, 359,433.54 and 73,388.76

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Solution

The fourth proportional to 239,622.36, 359,433.54 and 73,388.76 is: 110,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,622.36 : 359,433.54 = 73,388.76 : x
  2. Step 2: Convert to fraction form
    239,622.36/359,433.54 = 73,388.76/x
  3. Step 3: Cross multiply
    239,622.36x = 359,433.54 × 73,388.76
  4. Step 4: Simplify right side
    239,622.36x = 26,378,381,803.01
  5. Step 5: Solve for x
    x = 26,378,381,803.01/239,622.36
  6. Step 6: Final answer
    x = 110,083.14

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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.