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Finding the Fourth Proportional to 179,603.77, 269,405.66 and 79,740.49

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Solution

The fourth proportional to 179,603.77, 269,405.66 and 79,740.49 is: 119,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,603.77 : 269,405.66 = 79,740.49 : x
  2. Step 2: Convert to fraction form
    179,603.77/269,405.66 = 79,740.49/x
  3. Step 3: Cross multiply
    179,603.77x = 269,405.66 × 79,740.49
  4. Step 4: Simplify right side
    179,603.77x = 21,482,539,337.17
  5. Step 5: Solve for x
    x = 21,482,539,337.17/179,603.77
  6. Step 6: Final answer
    x = 119,610.74

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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.