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Finding the Fourth Proportional to 356,396.89, 534,675.13 and 119,733.12

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Solution

The fourth proportional to 356,396.89, 534,675.13 and 119,733.12 is: 179,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,396.89 : 534,675.13 = 119,733.12 : x
  2. Step 2: Convert to fraction form
    356,396.89/534,675.13 = 119,733.12/x
  3. Step 3: Cross multiply
    356,396.89x = 534,675.13 × 119,733.12
  4. Step 4: Simplify right side
    356,396.89x = 64,018,318,827.93
  5. Step 5: Solve for x
    x = 64,018,318,827.93/356,396.89
  6. Step 6: Final answer
    x = 179,626.48

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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.