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Finding the Fourth Proportional to 115,959.20, 173,737.20 and 53,501.60

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Solution

The fourth proportional to 115,959.20, 173,737.20 and 53,501.60 is: 80,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,959.20 : 173,737.20 = 53,501.60 : x
  2. Step 2: Convert to fraction form
    115,959.20/173,737.20 = 53,501.60/x
  3. Step 3: Cross multiply
    115,959.20x = 173,737.20 × 53,501.60
  4. Step 4: Simplify right side
    115,959.20x = 9,295,218,179.52
  5. Step 5: Solve for x
    x = 9,295,218,179.52/115,959.20
  6. Step 6: Final answer
    x = 80,159.39

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1.5x scale

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.