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Finding the Fourth Proportional to 70,124,070.87, 96,769,361.21 and 39,184,494.39

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Solution

The fourth proportional to 70,124,070.87, 96,769,361.21 and 39,184,494.39 is: 54,073,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,070.87 : 96,769,361.21 = 39,184,494.39 : x
  2. Step 2: Convert to fraction form
    70,124,070.87/96,769,361.21 = 39,184,494.39/x
  3. Step 3: Cross multiply
    70,124,070.87x = 96,769,361.21 × 39,184,494.39
  4. Step 4: Simplify right side
    70,124,070.87x = 3,791,858,491,261,206
  5. Step 5: Solve for x
    x = 3,791,858,491,261,206/70,124,070.87
  6. Step 6: Final answer
    x = 54,073,564.81

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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.