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Finding the Fourth Proportional to 100,439,908, 150,661,261.76 and 28,636,324

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Solution

The fourth proportional to 100,439,908, 150,661,261.76 and 28,636,324 is: 42,954,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,439,908 : 150,661,261.76 = 28,636,324 : x
  2. Step 2: Convert to fraction form
    100,439,908/150,661,261.76 = 28,636,324/x
  3. Step 3: Cross multiply
    100,439,908x = 150,661,261.76 × 28,636,324
  4. Step 4: Simplify right side
    100,439,908x = 4,314,384,706,008,170
  5. Step 5: Solve for x
    x = 4,314,384,706,008,170/100,439,908
  6. Step 6: Final answer
    x = 42,954,885.08

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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.