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Finding the Fourth Proportional to 179,876.98, 248,223.72 and 99,302.77

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Solution

The fourth proportional to 179,876.98, 248,223.72 and 99,302.77 is: 137,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,876.98 : 248,223.72 = 99,302.77 : x
  2. Step 2: Convert to fraction form
    179,876.98/248,223.72 = 99,302.77/x
  3. Step 3: Cross multiply
    179,876.98x = 248,223.72 × 99,302.77
  4. Step 4: Simplify right side
    179,876.98x = 24,649,302,975.70
  5. Step 5: Solve for x
    x = 24,649,302,975.70/179,876.98
  6. Step 6: Final answer
    x = 137,034.23

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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.