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Finding the Fourth Proportional to 356,506.88, 534,761.04 and 146,107.04

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Solution

The fourth proportional to 356,506.88, 534,761.04 and 146,107.04 is: 219,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,506.88 : 534,761.04 = 146,107.04 : x
  2. Step 2: Convert to fraction form
    356,506.88/534,761.04 = 146,107.04/x
  3. Step 3: Cross multiply
    356,506.88x = 534,761.04 × 146,107.04
  4. Step 4: Simplify right side
    356,506.88x = 78,132,352,661.72
  5. Step 5: Solve for x
    x = 78,132,352,661.72/356,506.88
  6. Step 6: Final answer
    x = 219,160.86

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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.