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Finding the Fourth Proportional to 101,169.14, 139,591.75 and 58,704.89

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Solution

The fourth proportional to 101,169.14, 139,591.75 and 58,704.89 is: 81,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,169.14 : 139,591.75 = 58,704.89 : x
  2. Step 2: Convert to fraction form
    101,169.14/139,591.75 = 58,704.89/x
  3. Step 3: Cross multiply
    101,169.14x = 139,591.75 × 58,704.89
  4. Step 4: Simplify right side
    101,169.14x = 8,194,717,483.94
  5. Step 5: Solve for x
    x = 8,194,717,483.94/101,169.14
  6. Step 6: Final answer
    x = 81,000.17

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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.