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Finding the Fourth Proportional to 163,052.60, 244,578.90 and 115,813.40

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Solution

The fourth proportional to 163,052.60, 244,578.90 and 115,813.40 is: 173,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,052.60 : 244,578.90 = 115,813.40 : x
  2. Step 2: Convert to fraction form
    163,052.60/244,578.90 = 115,813.40/x
  3. Step 3: Cross multiply
    163,052.60x = 244,578.90 × 115,813.40
  4. Step 4: Simplify right side
    163,052.60x = 28,325,513,977.26
  5. Step 5: Solve for x
    x = 28,325,513,977.26/163,052.60
  6. Step 6: Final answer
    x = 173,720.10

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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.