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Finding the Fourth Proportional to 74,777,216.87, 112,165,825.30 and 74,777,216.87

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Solution

The fourth proportional to 74,777,216.87, 112,165,825.30 and 74,777,216.87 is: 112,165,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,777,216.87 : 112,165,825.30 = 74,777,216.87 : x
  2. Step 2: Convert to fraction form
    74,777,216.87/112,165,825.30 = 74,777,216.87/x
  3. Step 3: Cross multiply
    74,777,216.87x = 112,165,825.30 × 74,777,216.87
  4. Step 4: Simplify right side
    74,777,216.87x = 8,387,448,243,299,803
  5. Step 5: Solve for x
    x = 8,387,448,243,299,803/74,777,216.87
  6. Step 6: Final answer
    x = 112,165,825.30

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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.