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Finding the Fourth Proportional to 110,163.47, 152,025.74 and 62,420.04

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Solution

The fourth proportional to 110,163.47, 152,025.74 and 62,420.04 is: 86,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,163.47 : 152,025.74 = 62,420.04 : x
  2. Step 2: Convert to fraction form
    110,163.47/152,025.74 = 62,420.04/x
  3. Step 3: Cross multiply
    110,163.47x = 152,025.74 × 62,420.04
  4. Step 4: Simplify right side
    110,163.47x = 9,489,452,459.73
  5. Step 5: Solve for x
    x = 9,489,452,459.73/110,163.47
  6. Step 6: Final answer
    x = 86,139.74

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