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Finding the Fourth Proportional to 425,169,651.88, 637,754,485.92 and 102,053,523.88

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Solution

The fourth proportional to 425,169,651.88, 637,754,485.92 and 102,053,523.88 is: 153,080,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,169,651.88 : 637,754,485.92 = 102,053,523.88 : x
  2. Step 2: Convert to fraction form
    425,169,651.88/637,754,485.92 = 102,053,523.88/x
  3. Step 3: Cross multiply
    425,169,651.88x = 637,754,485.92 × 102,053,523.88
  4. Step 4: Simplify right side
    425,169,651.88x = 65,085,092,658,413,840
  5. Step 5: Solve for x
    x = 65,085,092,658,413,840/425,169,651.88
  6. Step 6: Final answer
    x = 153,080,287.76

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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.