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Finding the Fourth Proportional to 110,116.52, 152,007.34 and 74,355

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Solution

The fourth proportional to 110,116.52, 152,007.34 and 74,355 is: 102,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,116.52 : 152,007.34 = 74,355 : x
  2. Step 2: Convert to fraction form
    110,116.52/152,007.34 = 74,355/x
  3. Step 3: Cross multiply
    110,116.52x = 152,007.34 × 74,355
  4. Step 4: Simplify right side
    110,116.52x = 11,302,505,765.70
  5. Step 5: Solve for x
    x = 11,302,505,765.70/110,116.52
  6. Step 6: Final answer
    x = 102,641.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.