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Finding the Fourth Proportional to 79,544, 119,316.72 and 24,140

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Solution

The fourth proportional to 79,544, 119,316.72 and 24,140 is: 36,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,544 : 119,316.72 = 24,140 : x
  2. Step 2: Convert to fraction form
    79,544/119,316.72 = 24,140/x
  3. Step 3: Cross multiply
    79,544x = 119,316.72 × 24,140
  4. Step 4: Simplify right side
    79,544x = 2,880,305,620.80
  5. Step 5: Solve for x
    x = 2,880,305,620.80/79,544
  6. Step 6: Final answer
    x = 36,210.22

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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.