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Finding the Fourth Proportional to 179,486.37, 247,692.87 and 98,916.84

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Solution

The fourth proportional to 179,486.37, 247,692.87 and 98,916.84 is: 136,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,486.37 : 247,692.87 = 98,916.84 : x
  2. Step 2: Convert to fraction form
    179,486.37/247,692.87 = 98,916.84/x
  3. Step 3: Cross multiply
    179,486.37x = 247,692.87 × 98,916.84
  4. Step 4: Simplify right side
    179,486.37x = 24,500,995,990.93
  5. Step 5: Solve for x
    x = 24,500,995,990.93/179,486.37
  6. Step 6: Final answer
    x = 136,506.16

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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.