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Finding the Fourth Proportional to 251,645.30, 377,351.30 and 93,831.38

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Solution

The fourth proportional to 251,645.30, 377,351.30 and 93,831.38 is: 140,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,645.30 : 377,351.30 = 93,831.38 : x
  2. Step 2: Convert to fraction form
    251,645.30/377,351.30 = 93,831.38/x
  3. Step 3: Cross multiply
    251,645.30x = 377,351.30 × 93,831.38
  4. Step 4: Simplify right side
    251,645.30x = 35,407,393,223.79
  5. Step 5: Solve for x
    x = 35,407,393,223.79/251,645.30
  6. Step 6: Final answer
    x = 140,703.57

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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.