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Finding the Fourth Proportional to 425,169,640.82, 637,754,469.42 and 102,053,512.82

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Solution

The fourth proportional to 425,169,640.82, 637,754,469.42 and 102,053,512.82 is: 153,080,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,169,640.82 : 637,754,469.42 = 102,053,512.82 : x
  2. Step 2: Convert to fraction form
    425,169,640.82/637,754,469.42 = 102,053,512.82/x
  3. Step 3: Cross multiply
    425,169,640.82x = 637,754,469.42 × 102,053,512.82
  4. Step 4: Simplify right side
    425,169,640.82x = 65,085,083,917,777,488
  5. Step 5: Solve for x
    x = 65,085,083,917,777,488/425,169,640.82
  6. Step 6: Final answer
    x = 153,080,271.19

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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.