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Finding the Fourth Proportional to 356,510.88, 534,767.04 and 146,111.04

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Solution

The fourth proportional to 356,510.88, 534,767.04 and 146,111.04 is: 219,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,510.88 : 534,767.04 = 146,111.04 : x
  2. Step 2: Convert to fraction form
    356,510.88/534,767.04 = 146,111.04/x
  3. Step 3: Cross multiply
    356,510.88x = 534,767.04 × 146,111.04
  4. Step 4: Simplify right side
    356,510.88x = 78,135,368,372.12
  5. Step 5: Solve for x
    x = 78,135,368,372.12/356,510.88
  6. Step 6: Final answer
    x = 219,166.86

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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.