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Finding the Fourth Proportional to 110,487.95, 165,804.55 and 60,603

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Solution

The fourth proportional to 110,487.95, 165,804.55 and 60,603 is: 90,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,487.95 : 165,804.55 = 60,603 : x
  2. Step 2: Convert to fraction form
    110,487.95/165,804.55 = 60,603/x
  3. Step 3: Cross multiply
    110,487.95x = 165,804.55 × 60,603
  4. Step 4: Simplify right side
    110,487.95x = 10,048,252,992.14
  5. Step 5: Solve for x
    x = 10,048,252,992.14/110,487.95
  6. Step 6: Final answer
    x = 90,944.34

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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.