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Finding the Fourth Proportional to 165,603.60, 248,409.50 and 60,422.56

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Solution

The fourth proportional to 165,603.60, 248,409.50 and 60,422.56 is: 90,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,603.60 : 248,409.50 = 60,422.56 : x
  2. Step 2: Convert to fraction form
    165,603.60/248,409.50 = 60,422.56/x
  3. Step 3: Cross multiply
    165,603.60x = 248,409.50 × 60,422.56
  4. Step 4: Simplify right side
    165,603.60x = 15,009,538,237.23
  5. Step 5: Solve for x
    x = 15,009,538,237.23/165,603.60
  6. Step 6: Final answer
    x = 90,635.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.