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Finding the Fourth Proportional to 371,750.85, 557,312.81 and 161,230.23

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Solution

The fourth proportional to 371,750.85, 557,312.81 and 161,230.23 is: 241,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,750.85 : 557,312.81 = 161,230.23 : x
  2. Step 2: Convert to fraction form
    371,750.85/557,312.81 = 161,230.23/x
  3. Step 3: Cross multiply
    371,750.85x = 557,312.81 × 161,230.23
  4. Step 4: Simplify right side
    371,750.85x = 89,855,671,732.10
  5. Step 5: Solve for x
    x = 89,855,671,732.10/371,750.85
  6. Step 6: Final answer
    x = 241,709.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.