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Finding the Fourth Proportional to 455,739.92, 683,160.60 and 160,044.56

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Solution

The fourth proportional to 455,739.92, 683,160.60 and 160,044.56 is: 239,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,739.92 : 683,160.60 = 160,044.56 : x
  2. Step 2: Convert to fraction form
    455,739.92/683,160.60 = 160,044.56/x
  3. Step 3: Cross multiply
    455,739.92x = 683,160.60 × 160,044.56
  4. Step 4: Simplify right side
    455,739.92x = 109,336,137,636.34
  5. Step 5: Solve for x
    x = 109,336,137,636.34/455,739.92
  6. Step 6: Final answer
    x = 239,909.06

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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.