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Finding the Fourth Proportional to 372,831.84, 559,111.68 and 136,104.48

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Solution

The fourth proportional to 372,831.84, 559,111.68 and 136,104.48 is: 204,107.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,831.84 : 559,111.68 = 136,104.48 : x
  2. Step 2: Convert to fraction form
    372,831.84/559,111.68 = 136,104.48/x
  3. Step 3: Cross multiply
    372,831.84x = 559,111.68 × 136,104.48
  4. Step 4: Simplify right side
    372,831.84x = 76,097,604,468.33
  5. Step 5: Solve for x
    x = 76,097,604,468.33/372,831.84
  6. Step 6: Final answer
    x = 204,107.04

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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.