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Finding the Fourth Proportional to 101,088.58, 151,317.33 and 74,464.58

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Solution

The fourth proportional to 101,088.58, 151,317.33 and 74,464.58 is: 111,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,088.58 : 151,317.33 = 74,464.58 : x
  2. Step 2: Convert to fraction form
    101,088.58/151,317.33 = 74,464.58/x
  3. Step 3: Cross multiply
    101,088.58x = 151,317.33 × 74,464.58
  4. Step 4: Simplify right side
    101,088.58x = 11,267,781,425.17
  5. Step 5: Solve for x
    x = 11,267,781,425.17/101,088.58
  6. Step 6: Final answer
    x = 111,464.43

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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.