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Finding the Fourth Proportional to 163,078.60, 244,617.90 and 123,712.60

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Solution

The fourth proportional to 163,078.60, 244,617.90 and 123,712.60 is: 185,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,078.60 : 244,617.90 = 123,712.60 : x
  2. Step 2: Convert to fraction form
    163,078.60/244,617.90 = 123,712.60/x
  3. Step 3: Cross multiply
    163,078.60x = 244,617.90 × 123,712.60
  4. Step 4: Simplify right side
    163,078.60x = 30,262,316,415.54
  5. Step 5: Solve for x
    x = 30,262,316,415.54/163,078.60
  6. Step 6: Final answer
    x = 185,568.90

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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.