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Finding the Fourth Proportional to 52,790,809.80, 79,186,214.70 and 22,494,736.20

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Solution

The fourth proportional to 52,790,809.80, 79,186,214.70 and 22,494,736.20 is: 33,742,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790,809.80 : 79,186,214.70 = 22,494,736.20 : x
  2. Step 2: Convert to fraction form
    52,790,809.80/79,186,214.70 = 22,494,736.20/x
  3. Step 3: Cross multiply
    52,790,809.80x = 79,186,214.70 × 22,494,736.20
  4. Step 4: Simplify right side
    52,790,809.80x = 1,781,273,010,353,062.25
  5. Step 5: Solve for x
    x = 1,781,273,010,353,062.25/52,790,809.80
  6. Step 6: Final answer
    x = 33,742,104.30

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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.