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Finding the Fourth Proportional to 101,355.12, 151,968.29 and 88,900.16

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Solution

The fourth proportional to 101,355.12, 151,968.29 and 88,900.16 is: 133,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,355.12 : 151,968.29 = 88,900.16 : x
  2. Step 2: Convert to fraction form
    101,355.12/151,968.29 = 88,900.16/x
  3. Step 3: Cross multiply
    101,355.12x = 151,968.29 × 88,900.16
  4. Step 4: Simplify right side
    101,355.12x = 13,510,004,091.58
  5. Step 5: Solve for x
    x = 13,510,004,091.58/101,355.12
  6. Step 6: Final answer
    x = 133,293.75

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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.