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Finding the Fourth Proportional to 118,590.60, 177,884.91 and 48,420.69

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Solution

The fourth proportional to 118,590.60, 177,884.91 and 48,420.69 is: 72,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,590.60 : 177,884.91 = 48,420.69 : x
  2. Step 2: Convert to fraction form
    118,590.60/177,884.91 = 48,420.69/x
  3. Step 3: Cross multiply
    118,590.60x = 177,884.91 × 48,420.69
  4. Step 4: Simplify right side
    118,590.60x = 8,613,310,082.79
  5. Step 5: Solve for x
    x = 8,613,310,082.79/118,590.60
  6. Step 6: Final answer
    x = 72,630.63

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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.