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Finding the Fourth Proportional to 106,652.92, 147,168.43 and 58,903.42

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Solution

The fourth proportional to 106,652.92, 147,168.43 and 58,903.42 is: 81,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,652.92 : 147,168.43 = 58,903.42 : x
  2. Step 2: Convert to fraction form
    106,652.92/147,168.43 = 58,903.42/x
  3. Step 3: Cross multiply
    106,652.92x = 147,168.43 × 58,903.42
  4. Step 4: Simplify right side
    106,652.92x = 8,668,723,843.03
  5. Step 5: Solve for x
    x = 8,668,723,843.03/106,652.92
  6. Step 6: Final answer
    x = 81,279.76

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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.