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Finding the Fourth Proportional to 101,119.80, 151,679.70 and 93,516.60

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Solution

The fourth proportional to 101,119.80, 151,679.70 and 93,516.60 is: 140,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,119.80 : 151,679.70 = 93,516.60 : x
  2. Step 2: Convert to fraction form
    101,119.80/151,679.70 = 93,516.60/x
  3. Step 3: Cross multiply
    101,119.80x = 151,679.70 × 93,516.60
  4. Step 4: Simplify right side
    101,119.80x = 14,184,569,833.02
  5. Step 5: Solve for x
    x = 14,184,569,833.02/101,119.80
  6. Step 6: Final answer
    x = 140,274.90

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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.