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Finding the Fourth Proportional to 101,640.16, 152,480.69 and 35,082.87

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Solution

The fourth proportional to 101,640.16, 152,480.69 and 35,082.87 is: 52,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,640.16 : 152,480.69 = 35,082.87 : x
  2. Step 2: Convert to fraction form
    101,640.16/152,480.69 = 35,082.87/x
  3. Step 3: Cross multiply
    101,640.16x = 152,480.69 × 35,082.87
  4. Step 4: Simplify right side
    101,640.16x = 5,349,459,286.96
  5. Step 5: Solve for x
    x = 5,349,459,286.96/101,640.16
  6. Step 6: Final answer
    x = 52,631.35

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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.