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Finding the Fourth Proportional to 159,590.40, 239,385.60 and 93,105.60

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Solution

The fourth proportional to 159,590.40, 239,385.60 and 93,105.60 is: 139,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,590.40 : 239,385.60 = 93,105.60 : x
  2. Step 2: Convert to fraction form
    159,590.40/239,385.60 = 93,105.60/x
  3. Step 3: Cross multiply
    159,590.40x = 239,385.60 × 93,105.60
  4. Step 4: Simplify right side
    159,590.40x = 22,288,139,919.36
  5. Step 5: Solve for x
    x = 22,288,139,919.36/159,590.40
  6. Step 6: Final answer
    x = 139,658.40

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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.