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Finding the Fourth Proportional to 79,646.44, 119,465.70 and 29,722.72

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Solution

The fourth proportional to 79,646.44, 119,465.70 and 29,722.72 is: 44,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,646.44 : 119,465.70 = 29,722.72 : x
  2. Step 2: Convert to fraction form
    79,646.44/119,465.70 = 29,722.72/x
  3. Step 3: Cross multiply
    79,646.44x = 119,465.70 × 29,722.72
  4. Step 4: Simplify right side
    79,646.44x = 3,550,845,550.70
  5. Step 5: Solve for x
    x = 3,550,845,550.70/79,646.44
  6. Step 6: Final answer
    x = 44,582.60

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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.