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Finding the Fourth Proportional to 114,188.20, 171,023.10 and 58,719.40

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Solution

The fourth proportional to 114,188.20, 171,023.10 and 58,719.40 is: 87,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,188.20 : 171,023.10 = 58,719.40 : x
  2. Step 2: Convert to fraction form
    114,188.20/171,023.10 = 58,719.40/x
  3. Step 3: Cross multiply
    114,188.20x = 171,023.10 × 58,719.40
  4. Step 4: Simplify right side
    114,188.20x = 10,042,373,818.14
  5. Step 5: Solve for x
    x = 10,042,373,818.14/114,188.20
  6. Step 6: Final answer
    x = 87,945.81

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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.