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Finding the Fourth Proportional to 187,162,728.60, 280,744,092.90 and 187,162,728.60

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Solution

The fourth proportional to 187,162,728.60, 280,744,092.90 and 187,162,728.60 is: 280,744,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,162,728.60 : 280,744,092.90 = 187,162,728.60 : x
  2. Step 2: Convert to fraction form
    187,162,728.60/280,744,092.90 = 187,162,728.60/x
  3. Step 3: Cross multiply
    187,162,728.60x = 280,744,092.90 × 187,162,728.60
  4. Step 4: Simplify right side
    187,162,728.60x = 52,544,830,465,495,880
  5. Step 5: Solve for x
    x = 52,544,830,465,495,880/187,162,728.60
  6. Step 6: Final answer
    x = 280,744,092.90

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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.