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Finding the Fourth Proportional to 146,086.64, 201,599.64 and 79,018.64

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Solution

The fourth proportional to 146,086.64, 201,599.64 and 79,018.64 is: 109,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,086.64 : 201,599.64 = 79,018.64 : x
  2. Step 2: Convert to fraction form
    146,086.64/201,599.64 = 79,018.64/x
  3. Step 3: Cross multiply
    146,086.64x = 201,599.64 × 79,018.64
  4. Step 4: Simplify right side
    146,086.64x = 15,930,129,377.29
  5. Step 5: Solve for x
    x = 15,930,129,377.29/146,086.64
  6. Step 6: Final answer
    x = 109,045.76

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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.