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Finding the Fourth Proportional to 69,894,628.40, 104,873,435.40 and 33,488,951.60

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Solution

The fourth proportional to 69,894,628.40, 104,873,435.40 and 33,488,951.60 is: 50,248,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894,628.40 : 104,873,435.40 = 33,488,951.60 : x
  2. Step 2: Convert to fraction form
    69,894,628.40/104,873,435.40 = 33,488,951.60/x
  3. Step 3: Cross multiply
    69,894,628.40x = 104,873,435.40 × 33,488,951.60
  4. Step 4: Simplify right side
    69,894,628.40x = 3,512,101,402,236,327
  5. Step 5: Solve for x
    x = 3,512,101,402,236,327/69,894,628.40
  6. Step 6: Final answer
    x = 50,248,516.70

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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.