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Finding the Fourth Proportional to 352,237.14, 528,377.70 and 99,537

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Solution

The fourth proportional to 352,237.14, 528,377.70 and 99,537 is: 149,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,237.14 : 528,377.70 = 99,537 : x
  2. Step 2: Convert to fraction form
    352,237.14/528,377.70 = 99,537/x
  3. Step 3: Cross multiply
    352,237.14x = 528,377.70 × 99,537
  4. Step 4: Simplify right side
    352,237.14x = 52,593,131,124.90
  5. Step 5: Solve for x
    x = 52,593,131,124.90/352,237.14
  6. Step 6: Final answer
    x = 149,311.71

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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.