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Finding the Fourth Proportional to 109,048.35, 150,476.36 and 63,736.95

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Solution

The fourth proportional to 109,048.35, 150,476.36 and 63,736.95 is: 87,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,048.35 : 150,476.36 = 63,736.95 : x
  2. Step 2: Convert to fraction form
    109,048.35/150,476.36 = 63,736.95/x
  3. Step 3: Cross multiply
    109,048.35x = 150,476.36 × 63,736.95
  4. Step 4: Simplify right side
    109,048.35x = 9,590,903,914.82
  5. Step 5: Solve for x
    x = 9,590,903,914.82/109,048.35
  6. Step 6: Final answer
    x = 87,950.93

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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.