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Finding the Fourth Proportional to 149,083.08, 205,788.05 and 88,653.52

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Solution

The fourth proportional to 149,083.08, 205,788.05 and 88,653.52 is: 122,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,083.08 : 205,788.05 = 88,653.52 : x
  2. Step 2: Convert to fraction form
    149,083.08/205,788.05 = 88,653.52/x
  3. Step 3: Cross multiply
    149,083.08x = 205,788.05 × 88,653.52
  4. Step 4: Simplify right side
    149,083.08x = 18,243,835,006.44
  5. Step 5: Solve for x
    x = 18,243,835,006.44/149,083.08
  6. Step 6: Final answer
    x = 122,373.61

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Why These Related Problems?

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