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Finding the Fourth Proportional to 168,813.52, 232,966.74 and 92,339.80

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Solution

The fourth proportional to 168,813.52, 232,966.74 and 92,339.80 is: 127,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,813.52 : 232,966.74 = 92,339.80 : x
  2. Step 2: Convert to fraction form
    168,813.52/232,966.74 = 92,339.80/x
  3. Step 3: Cross multiply
    168,813.52x = 232,966.74 × 92,339.80
  4. Step 4: Simplify right side
    168,813.52x = 21,512,102,178.25
  5. Step 5: Solve for x
    x = 21,512,102,178.25/168,813.52
  6. Step 6: Final answer
    x = 127,431.16

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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.