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Finding the Fourth Proportional to 78,794.10, 118,169.55 and 32,051.70

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Solution

The fourth proportional to 78,794.10, 118,169.55 and 32,051.70 is: 48,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,794.10 : 118,169.55 = 32,051.70 : x
  2. Step 2: Convert to fraction form
    78,794.10/118,169.55 = 32,051.70/x
  3. Step 3: Cross multiply
    78,794.10x = 118,169.55 × 32,051.70
  4. Step 4: Simplify right side
    78,794.10x = 3,787,534,965.74
  5. Step 5: Solve for x
    x = 3,787,534,965.74/78,794.10
  6. Step 6: Final answer
    x = 48,068.76

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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.