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Finding the Fourth Proportional to 168,289.52, 232,235.80 and 92,838

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Solution

The fourth proportional to 168,289.52, 232,235.80 and 92,838 is: 128,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,289.52 : 232,235.80 = 92,838 : x
  2. Step 2: Convert to fraction form
    168,289.52/232,235.80 = 92,838/x
  3. Step 3: Cross multiply
    168,289.52x = 232,235.80 × 92,838
  4. Step 4: Simplify right side
    168,289.52x = 21,560,307,200.40
  5. Step 5: Solve for x
    x = 21,560,307,200.40/168,289.52
  6. Step 6: Final answer
    x = 128,114.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.