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Finding the Fourth Proportional to 53,145,371.20, 79,592,085.60 and 53,145,371.20

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Solution

The fourth proportional to 53,145,371.20, 79,592,085.60 and 53,145,371.20 is: 79,592,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,371.20 : 79,592,085.60 = 53,145,371.20 : x
  2. Step 2: Convert to fraction form
    53,145,371.20/79,592,085.60 = 53,145,371.20/x
  3. Step 3: Cross multiply
    53,145,371.20x = 79,592,085.60 × 53,145,371.20
  4. Step 4: Simplify right side
    53,145,371.20x = 4,229,950,933,794,174.50
  5. Step 5: Solve for x
    x = 4,229,950,933,794,174.50/53,145,371.20
  6. Step 6: Final answer
    x = 79,592,085.60

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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.