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Finding the Fourth Proportional to 41,472,130.80, 62,199,901.80 and 19,906,690.80

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Solution

The fourth proportional to 41,472,130.80, 62,199,901.80 and 19,906,690.80 is: 29,856,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,472,130.80 : 62,199,901.80 = 19,906,690.80 : x
  2. Step 2: Convert to fraction form
    41,472,130.80/62,199,901.80 = 19,906,690.80/x
  3. Step 3: Cross multiply
    41,472,130.80x = 62,199,901.80 × 19,906,690.80
  4. Step 4: Simplify right side
    41,472,130.80x = 1,238,194,212,922,963.50
  5. Step 5: Solve for x
    x = 1,238,194,212,922,963.50/41,472,130.80
  6. Step 6: Final answer
    x = 29,856,054.87

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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.