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Finding the Fourth Proportional to 179,578.34, 247,804.26 and 99,005.62

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Solution

The fourth proportional to 179,578.34, 247,804.26 and 99,005.62 is: 136,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.34 : 247,804.26 = 99,005.62 : x
  2. Step 2: Convert to fraction form
    179,578.34/247,804.26 = 99,005.62/x
  3. Step 3: Cross multiply
    179,578.34x = 247,804.26 × 99,005.62
  4. Step 4: Simplify right side
    179,578.34x = 24,534,014,399.94
  5. Step 5: Solve for x
    x = 24,534,014,399.94/179,578.34
  6. Step 6: Final answer
    x = 136,620.12

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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.