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Finding the Fourth Proportional to 180,377.38, 248,916.94 and 98,705.30

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Solution

The fourth proportional to 180,377.38, 248,916.94 and 98,705.30 is: 136,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,377.38 : 248,916.94 = 98,705.30 : x
  2. Step 2: Convert to fraction form
    180,377.38/248,916.94 = 98,705.30/x
  3. Step 3: Cross multiply
    180,377.38x = 248,916.94 × 98,705.30
  4. Step 4: Simplify right side
    180,377.38x = 24,569,422,401.89
  5. Step 5: Solve for x
    x = 24,569,422,401.89/180,377.38
  6. Step 6: Final answer
    x = 136,211.22

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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.