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Finding the Fourth Proportional to 171,663.90, 256,977.45 and 150,927.90

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Solution

The fourth proportional to 171,663.90, 256,977.45 and 150,927.90 is: 225,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,663.90 : 256,977.45 = 150,927.90 : x
  2. Step 2: Convert to fraction form
    171,663.90/256,977.45 = 150,927.90/x
  3. Step 3: Cross multiply
    171,663.90x = 256,977.45 × 150,927.90
  4. Step 4: Simplify right side
    171,663.90x = 38,785,066,875.86
  5. Step 5: Solve for x
    x = 38,785,066,875.86/171,663.90
  6. Step 6: Final answer
    x = 225,936.07

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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.