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Finding the Fourth Proportional to 239,724.95, 359,334.66 and 79,758.16

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Solution

The fourth proportional to 239,724.95, 359,334.66 and 79,758.16 is: 119,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,724.95 : 359,334.66 = 79,758.16 : x
  2. Step 2: Convert to fraction form
    239,724.95/359,334.66 = 79,758.16/x
  3. Step 3: Cross multiply
    239,724.95x = 359,334.66 × 79,758.16
  4. Step 4: Simplify right side
    239,724.95x = 28,659,871,305.83
  5. Step 5: Solve for x
    x = 28,659,871,305.83/239,724.95
  6. Step 6: Final answer
    x = 119,553.14

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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.