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Finding the Fourth Proportional to 147,504,448.80, 220,831,520.40 and 147,504,448.80

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Solution

The fourth proportional to 147,504,448.80, 220,831,520.40 and 147,504,448.80 is: 220,831,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,504,448.80 : 220,831,520.40 = 147,504,448.80 : x
  2. Step 2: Convert to fraction form
    147,504,448.80/220,831,520.40 = 147,504,448.80/x
  3. Step 3: Cross multiply
    147,504,448.80x = 220,831,520.40 × 147,504,448.80
  4. Step 4: Simplify right side
    147,504,448.80x = 32,573,631,694,267,960
  5. Step 5: Solve for x
    x = 32,573,631,694,267,960/147,504,448.80
  6. Step 6: Final answer
    x = 220,831,520.40

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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.