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Finding the Fourth Proportional to 40,327,228.80, 60,378,868.80 and 39,207,484.80

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Solution

The fourth proportional to 40,327,228.80, 60,378,868.80 and 39,207,484.80 is: 58,702,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327,228.80 : 60,378,868.80 = 39,207,484.80 : x
  2. Step 2: Convert to fraction form
    40,327,228.80/60,378,868.80 = 39,207,484.80/x
  3. Step 3: Cross multiply
    40,327,228.80x = 60,378,868.80 × 39,207,484.80
  4. Step 4: Simplify right side
    40,327,228.80x = 2,367,303,580,717,194
  5. Step 5: Solve for x
    x = 2,367,303,580,717,194/40,327,228.80
  6. Step 6: Final answer
    x = 58,702,361.93

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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.