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Finding the Fourth Proportional to 190,377.58, 262,717.91 and 104,335.90

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Solution

The fourth proportional to 190,377.58, 262,717.91 and 104,335.90 is: 143,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,377.58 : 262,717.91 = 104,335.90 : x
  2. Step 2: Convert to fraction form
    190,377.58/262,717.91 = 104,335.90/x
  3. Step 3: Cross multiply
    190,377.58x = 262,717.91 × 104,335.90
  4. Step 4: Simplify right side
    190,377.58x = 27,410,909,585.97
  5. Step 5: Solve for x
    x = 27,410,909,585.97/190,377.58
  6. Step 6: Final answer
    x = 143,981.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.