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Finding the Fourth Proportional to 109,836, 151,596.36 and 62,091.36

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Solution

The fourth proportional to 109,836, 151,596.36 and 62,091.36 is: 85,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,836 : 151,596.36 = 62,091.36 : x
  2. Step 2: Convert to fraction form
    109,836/151,596.36 = 62,091.36/x
  3. Step 3: Cross multiply
    109,836x = 151,596.36 × 62,091.36
  4. Step 4: Simplify right side
    109,836x = 9,412,824,163.45
  5. Step 5: Solve for x
    x = 9,412,824,163.45/109,836
  6. Step 6: Final answer
    x = 85,698.90

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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.