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Finding the Fourth Proportional to 137,375,512.10, 192,835,900.30 and 137,375,512.10

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Solution

The fourth proportional to 137,375,512.10, 192,835,900.30 and 137,375,512.10 is: 192,835,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,375,512.10 : 192,835,900.30 = 137,375,512.10 : x
  2. Step 2: Convert to fraction form
    137,375,512.10/192,835,900.30 = 137,375,512.10/x
  3. Step 3: Cross multiply
    137,375,512.10x = 192,835,900.30 × 137,375,512.10
  4. Step 4: Simplify right side
    137,375,512.10x = 26,490,930,554,977,044
  5. Step 5: Solve for x
    x = 26,490,930,554,977,044/137,375,512.10
  6. Step 6: Final answer
    x = 192,835,900.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.