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Finding the Fourth Proportional to 487,174.50, 730,675.49 and 132,216.12

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Solution

The fourth proportional to 487,174.50, 730,675.49 and 132,216.12 is: 198,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,174.50 : 730,675.49 = 132,216.12 : x
  2. Step 2: Convert to fraction form
    487,174.50/730,675.49 = 132,216.12/x
  3. Step 3: Cross multiply
    487,174.50x = 730,675.49 × 132,216.12
  4. Step 4: Simplify right side
    487,174.50x = 96,607,077,605.82
  5. Step 5: Solve for x
    x = 96,607,077,605.82/487,174.50
  6. Step 6: Final answer
    x = 198,300.77

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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.