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Finding the Fourth Proportional to 148,970.66, 205,645.77 and 88,560.86

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Solution

The fourth proportional to 148,970.66, 205,645.77 and 88,560.86 is: 122,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,970.66 : 205,645.77 = 88,560.86 : x
  2. Step 2: Convert to fraction form
    148,970.66/205,645.77 = 88,560.86/x
  3. Step 3: Cross multiply
    148,970.66x = 205,645.77 × 88,560.86
  4. Step 4: Simplify right side
    148,970.66x = 18,212,165,218.33
  5. Step 5: Solve for x
    x = 18,212,165,218.33/148,970.66
  6. Step 6: Final answer
    x = 122,253.37

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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.