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Finding the Fourth Proportional to 179,412, 247,588.56 and 99,924

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Solution

The fourth proportional to 179,412, 247,588.56 and 99,924 is: 137,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,412 : 247,588.56 = 99,924 : x
  2. Step 2: Convert to fraction form
    179,412/247,588.56 = 99,924/x
  3. Step 3: Cross multiply
    179,412x = 247,588.56 × 99,924
  4. Step 4: Simplify right side
    179,412x = 24,740,039,269.44
  5. Step 5: Solve for x
    x = 24,740,039,269.44/179,412
  6. Step 6: Final answer
    x = 137,895.12

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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.