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Finding the Fourth Proportional to 99,797.56, 149,804.18 and 88,774.84

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Solution

The fourth proportional to 99,797.56, 149,804.18 and 88,774.84 is: 133,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,797.56 : 149,804.18 = 88,774.84 : x
  2. Step 2: Convert to fraction form
    99,797.56/149,804.18 = 88,774.84/x
  3. Step 3: Cross multiply
    99,797.56x = 149,804.18 × 88,774.84
  4. Step 4: Simplify right side
    99,797.56x = 13,298,842,110.83
  5. Step 5: Solve for x
    x = 13,298,842,110.83/99,797.56
  6. Step 6: Final answer
    x = 133,258.19

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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.