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Finding the Fourth Proportional to 76,659,626.60, 114,989,439.90 and 22,806,938.60

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Solution

The fourth proportional to 76,659,626.60, 114,989,439.90 and 22,806,938.60 is: 34,210,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,659,626.60 : 114,989,439.90 = 22,806,938.60 : x
  2. Step 2: Convert to fraction form
    76,659,626.60/114,989,439.90 = 22,806,938.60/x
  3. Step 3: Cross multiply
    76,659,626.60x = 114,989,439.90 × 22,806,938.60
  4. Step 4: Simplify right side
    76,659,626.60x = 2,622,557,095,447,690.50
  5. Step 5: Solve for x
    x = 2,622,557,095,447,690.50/76,659,626.60
  6. Step 6: Final answer
    x = 34,210,407.90

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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.