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Finding the Fourth Proportional to 146,087.64, 201,601.02 and 79,019.64

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Solution

The fourth proportional to 146,087.64, 201,601.02 and 79,019.64 is: 109,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,087.64 : 201,601.02 = 79,019.64 : x
  2. Step 2: Convert to fraction form
    146,087.64/201,601.02 = 79,019.64/x
  3. Step 3: Cross multiply
    146,087.64x = 201,601.02 × 79,019.64
  4. Step 4: Simplify right side
    146,087.64x = 15,930,440,024.03
  5. Step 5: Solve for x
    x = 15,930,440,024.03/146,087.64
  6. Step 6: Final answer
    x = 109,047.14

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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.