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Finding the Fourth Proportional to 179,413, 247,589.94 and 99,925

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Solution

The fourth proportional to 179,413, 247,589.94 and 99,925 is: 137,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,413 : 247,589.94 = 99,925 : x
  2. Step 2: Convert to fraction form
    179,413/247,589.94 = 99,925/x
  3. Step 3: Cross multiply
    179,413x = 247,589.94 × 99,925
  4. Step 4: Simplify right side
    179,413x = 24,740,424,754.50
  5. Step 5: Solve for x
    x = 24,740,424,754.50/179,413
  6. Step 6: Final answer
    x = 137,896.50

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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.