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Finding the Fourth Proportional to 192,893.76, 266,181.12 and 108,010.08

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Solution

The fourth proportional to 192,893.76, 266,181.12 and 108,010.08 is: 149,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,893.76 : 266,181.12 = 108,010.08 : x
  2. Step 2: Convert to fraction form
    192,893.76/266,181.12 = 108,010.08/x
  3. Step 3: Cross multiply
    192,893.76x = 266,181.12 × 108,010.08
  4. Step 4: Simplify right side
    192,893.76x = 28,750,244,065.69
  5. Step 5: Solve for x
    x = 28,750,244,065.69/192,893.76
  6. Step 6: Final answer
    x = 149,047.04

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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.