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Finding the Fourth Proportional to 316,523.56, 474,785.22 and 106,160.80

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Solution

The fourth proportional to 316,523.56, 474,785.22 and 106,160.80 is: 159,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,523.56 : 474,785.22 = 106,160.80 : x
  2. Step 2: Convert to fraction form
    316,523.56/474,785.22 = 106,160.80/x
  3. Step 3: Cross multiply
    316,523.56x = 474,785.22 × 106,160.80
  4. Step 4: Simplify right side
    316,523.56x = 50,403,578,783.38
  5. Step 5: Solve for x
    x = 50,403,578,783.38/316,523.56
  6. Step 6: Final answer
    x = 159,241.16

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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.