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Finding the Fourth Proportional to 177,490.54, 266,102.01 and 92,009.42

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Solution

The fourth proportional to 177,490.54, 266,102.01 and 92,009.42 is: 137,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,490.54 : 266,102.01 = 92,009.42 : x
  2. Step 2: Convert to fraction form
    177,490.54/266,102.01 = 92,009.42/x
  3. Step 3: Cross multiply
    177,490.54x = 266,102.01 × 92,009.42
  4. Step 4: Simplify right side
    177,490.54x = 24,483,891,268.31
  5. Step 5: Solve for x
    x = 24,483,891,268.31/177,490.54
  6. Step 6: Final answer
    x = 137,944.77

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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.