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Finding the Fourth Proportional to 168,319, 232,285.08 and 92,872.36

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Solution

The fourth proportional to 168,319, 232,285.08 and 92,872.36 is: 128,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,319 : 232,285.08 = 92,872.36 : x
  2. Step 2: Convert to fraction form
    168,319/232,285.08 = 92,872.36/x
  3. Step 3: Cross multiply
    168,319x = 232,285.08 × 92,872.36
  4. Step 4: Simplify right side
    168,319x = 21,572,863,572.39
  5. Step 5: Solve for x
    x = 21,572,863,572.39/168,319
  6. Step 6: Final answer
    x = 128,166.54

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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.