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Finding the Fourth Proportional to 101,140.10, 151,418.55 and 101,140.10

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Solution

The fourth proportional to 101,140.10, 151,418.55 and 101,140.10 is: 151,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,140.10 : 151,418.55 = 101,140.10 : x
  2. Step 2: Convert to fraction form
    101,140.10/151,418.55 = 101,140.10/x
  3. Step 3: Cross multiply
    101,140.10x = 151,418.55 × 101,140.10
  4. Step 4: Simplify right side
    101,140.10x = 15,314,487,288.86
  5. Step 5: Solve for x
    x = 15,314,487,288.86/101,140.10
  6. Step 6: Final answer
    x = 151,418.55

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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.