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Finding the Fourth Proportional to 70,003.60, 104,938.20 and 23,232.40

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Solution

The fourth proportional to 70,003.60, 104,938.20 and 23,232.40 is: 34,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.60 : 104,938.20 = 23,232.40 : x
  2. Step 2: Convert to fraction form
    70,003.60/104,938.20 = 23,232.40/x
  3. Step 3: Cross multiply
    70,003.60x = 104,938.20 × 23,232.40
  4. Step 4: Simplify right side
    70,003.60x = 2,437,966,237.68
  5. Step 5: Solve for x
    x = 2,437,966,237.68/70,003.60
  6. Step 6: Final answer
    x = 34,826.30

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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.