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Finding the Fourth Proportional to 52,809,200.80, 79,237,420.80 and 25,504,943.20

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Solution

The fourth proportional to 52,809,200.80, 79,237,420.80 and 25,504,943.20 is: 38,268,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,809,200.80 : 79,237,420.80 = 25,504,943.20 : x
  2. Step 2: Convert to fraction form
    52,809,200.80/79,237,420.80 = 25,504,943.20/x
  3. Step 3: Cross multiply
    52,809,200.80x = 79,237,420.80 × 25,504,943.20
  4. Step 4: Simplify right side
    52,809,200.80x = 2,020,945,916,818,498.50
  5. Step 5: Solve for x
    x = 2,020,945,916,818,498.50/52,809,200.80
  6. Step 6: Final answer
    x = 38,268,822.22

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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.