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Finding the Fourth Proportional to 133,745,460.80, 200,618,191.20 and 133,745,460.80

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Solution

The fourth proportional to 133,745,460.80, 200,618,191.20 and 133,745,460.80 is: 200,618,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,745,460.80 : 200,618,191.20 = 133,745,460.80 : x
  2. Step 2: Convert to fraction form
    133,745,460.80/200,618,191.20 = 133,745,460.80/x
  3. Step 3: Cross multiply
    133,745,460.80x = 200,618,191.20 × 133,745,460.80
  4. Step 4: Simplify right side
    133,745,460.80x = 26,831,772,426,906,504
  5. Step 5: Solve for x
    x = 26,831,772,426,906,504/133,745,460.80
  6. Step 6: Final answer
    x = 200,618,191.20

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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.