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Finding the Fourth Proportional to 101,357.37, 151,971.66 and 88,902.41

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Solution

The fourth proportional to 101,357.37, 151,971.66 and 88,902.41 is: 133,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,357.37 : 151,971.66 = 88,902.41 : x
  2. Step 2: Convert to fraction form
    101,357.37/151,971.66 = 88,902.41/x
  3. Step 3: Cross multiply
    101,357.37x = 151,971.66 × 88,902.41
  4. Step 4: Simplify right side
    101,357.37x = 13,510,646,065.84
  5. Step 5: Solve for x
    x = 13,510,646,065.84/101,357.37
  6. Step 6: Final answer
    x = 133,297.13

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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.