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Finding the Fourth Proportional to 356,784.18, 534,801.64 and 120,044.67

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Solution

The fourth proportional to 356,784.18, 534,801.64 and 120,044.67 is: 179,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,784.18 : 534,801.64 = 120,044.67 : x
  2. Step 2: Convert to fraction form
    356,784.18/534,801.64 = 120,044.67/x
  3. Step 3: Cross multiply
    356,784.18x = 534,801.64 × 120,044.67
  4. Step 4: Simplify right side
    356,784.18x = 64,200,086,389.26
  5. Step 5: Solve for x
    x = 64,200,086,389.26/356,784.18
  6. Step 6: Final answer
    x = 179,940.96

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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.