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Finding the Fourth Proportional to 179,578.96, 247,814.26 and 99,005.06

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Solution

The fourth proportional to 179,578.96, 247,814.26 and 99,005.06 is: 136,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.96 : 247,814.26 = 99,005.06 : x
  2. Step 2: Convert to fraction form
    179,578.96/247,814.26 = 99,005.06/x
  3. Step 3: Cross multiply
    179,578.96x = 247,814.26 × 99,005.06
  4. Step 4: Simplify right side
    179,578.96x = 24,534,866,052.18
  5. Step 5: Solve for x
    x = 24,534,866,052.18/179,578.96
  6. Step 6: Final answer
    x = 136,624.39

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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.