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Finding the Fourth Proportional to 76,659,634.60, 114,989,451.90 and 22,806,946.60

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Solution

The fourth proportional to 76,659,634.60, 114,989,451.90 and 22,806,946.60 is: 34,210,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,659,634.60 : 114,989,451.90 = 22,806,946.60 : x
  2. Step 2: Convert to fraction form
    76,659,634.60/114,989,451.90 = 22,806,946.60/x
  3. Step 3: Cross multiply
    76,659,634.60x = 114,989,451.90 × 22,806,946.60
  4. Step 4: Simplify right side
    76,659,634.60x = 2,622,558,289,046,569
  5. Step 5: Solve for x
    x = 2,622,558,289,046,569/76,659,634.60
  6. Step 6: Final answer
    x = 34,210,419.90

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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.