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Finding the Fourth Proportional to 152,615.60, 210,622.84 and 88,952.03

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Solution

The fourth proportional to 152,615.60, 210,622.84 and 88,952.03 is: 122,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,615.60 : 210,622.84 = 88,952.03 : x
  2. Step 2: Convert to fraction form
    152,615.60/210,622.84 = 88,952.03/x
  3. Step 3: Cross multiply
    152,615.60x = 210,622.84 × 88,952.03
  4. Step 4: Simplify right side
    152,615.60x = 18,735,327,906.87
  5. Step 5: Solve for x
    x = 18,735,327,906.87/152,615.60
  6. Step 6: Final answer
    x = 122,761.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.