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Finding the Fourth Proportional to 223,593,556.80, 335,190,880.80 and 87,247,228.80

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Solution

The fourth proportional to 223,593,556.80, 335,190,880.80 and 87,247,228.80 is: 130,793,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,593,556.80 : 335,190,880.80 = 87,247,228.80 : x
  2. Step 2: Convert to fraction form
    223,593,556.80/335,190,880.80 = 87,247,228.80/x
  3. Step 3: Cross multiply
    223,593,556.80x = 335,190,880.80 × 87,247,228.80
  4. Step 4: Simplify right side
    223,593,556.80x = 29,244,475,468,831,128
  5. Step 5: Solve for x
    x = 29,244,475,468,831,128/223,593,556.80
  6. Step 6: Final answer
    x = 130,793,015.18

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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.