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Finding the Fourth Proportional to 64,515,539.80, 96,773,311.30 and 64,515,539.80

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Solution

The fourth proportional to 64,515,539.80, 96,773,311.30 and 64,515,539.80 is: 96,773,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515,539.80 : 96,773,311.30 = 64,515,539.80 : x
  2. Step 2: Convert to fraction form
    64,515,539.80/96,773,311.30 = 64,515,539.80/x
  3. Step 3: Cross multiply
    64,515,539.80x = 96,773,311.30 × 64,515,539.80
  4. Step 4: Simplify right side
    64,515,539.80x = 6,243,382,416,752,939
  5. Step 5: Solve for x
    x = 6,243,382,416,752,939/64,515,539.80
  6. Step 6: Final answer
    x = 96,773,311.30

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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.