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Finding the Fourth Proportional to 179,421, 247,600.98 and 99,933

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Solution

The fourth proportional to 179,421, 247,600.98 and 99,933 is: 137,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,421 : 247,600.98 = 99,933 : x
  2. Step 2: Convert to fraction form
    179,421/247,600.98 = 99,933/x
  3. Step 3: Cross multiply
    179,421x = 247,600.98 × 99,933
  4. Step 4: Simplify right side
    179,421x = 24,743,508,734.34
  5. Step 5: Solve for x
    x = 24,743,508,734.34/179,421
  6. Step 6: Final answer
    x = 137,907.54

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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.