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Finding the Fourth Proportional to 101,559.16, 152,256.12 and 68,177.44

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Solution

The fourth proportional to 101,559.16, 152,256.12 and 68,177.44 is: 102,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,559.16 : 152,256.12 = 68,177.44 : x
  2. Step 2: Convert to fraction form
    101,559.16/152,256.12 = 68,177.44/x
  3. Step 3: Cross multiply
    101,559.16x = 152,256.12 × 68,177.44
  4. Step 4: Simplify right side
    101,559.16x = 10,380,432,485.93
  5. Step 5: Solve for x
    x = 10,380,432,485.93/101,559.16
  6. Step 6: Final answer
    x = 102,210.70

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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.