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Finding the Fourth Proportional to 187,008,625.40, 280,512,938.10 and 187,008,625.40

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Solution

The fourth proportional to 187,008,625.40, 280,512,938.10 and 187,008,625.40 is: 280,512,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,008,625.40 : 280,512,938.10 = 187,008,625.40 : x
  2. Step 2: Convert to fraction form
    187,008,625.40/280,512,938.10 = 187,008,625.40/x
  3. Step 3: Cross multiply
    187,008,625.40x = 280,512,938.10 × 187,008,625.40
  4. Step 4: Simplify right side
    187,008,625.40x = 52,458,338,960,996,296
  5. Step 5: Solve for x
    x = 52,458,338,960,996,296/187,008,625.40
  6. Step 6: Final answer
    x = 280,512,938.10

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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.