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Finding the Fourth Proportional to 64,932,472.72, 89,608,262.85 and 37,054,627.90

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Solution

The fourth proportional to 64,932,472.72, 89,608,262.85 and 37,054,627.90 is: 51,136,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,932,472.72 : 89,608,262.85 = 37,054,627.90 : x
  2. Step 2: Convert to fraction form
    64,932,472.72/89,608,262.85 = 37,054,627.90/x
  3. Step 3: Cross multiply
    64,932,472.72x = 89,608,262.85 × 37,054,627.90
  4. Step 4: Simplify right side
    64,932,472.72x = 3,320,400,836,672,143
  5. Step 5: Solve for x
    x = 3,320,400,836,672,143/64,932,472.72
  6. Step 6: Final answer
    x = 51,136,214.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.