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Finding the Fourth Proportional to 239,792.46, 359,794.80 and 125,913.48

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Solution

The fourth proportional to 239,792.46, 359,794.80 and 125,913.48 is: 188,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,792.46 : 359,794.80 = 125,913.48 : x
  2. Step 2: Convert to fraction form
    239,792.46/359,794.80 = 125,913.48/x
  3. Step 3: Cross multiply
    239,792.46x = 359,794.80 × 125,913.48
  4. Step 4: Simplify right side
    239,792.46x = 45,303,015,353.90
  5. Step 5: Solve for x
    x = 45,303,015,353.90/239,792.46
  6. Step 6: Final answer
    x = 188,925.94

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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.