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Finding the Fourth Proportional to 347,199.98, 520,841.57 and 122,514

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Solution

The fourth proportional to 347,199.98, 520,841.57 and 122,514 is: 183,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,199.98 : 520,841.57 = 122,514 : x
  2. Step 2: Convert to fraction form
    347,199.98/520,841.57 = 122,514/x
  3. Step 3: Cross multiply
    347,199.98x = 520,841.57 × 122,514
  4. Step 4: Simplify right side
    347,199.98x = 63,810,383,494.41
  5. Step 5: Solve for x
    x = 63,810,383,494.41/347,199.98
  6. Step 6: Final answer
    x = 183,785.68

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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.