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Finding the Fourth Proportional to 101,143.80, 151,569.90 and 44,937.90

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Solution

The fourth proportional to 101,143.80, 151,569.90 and 44,937.90 is: 67,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.80 : 151,569.90 = 44,937.90 : x
  2. Step 2: Convert to fraction form
    101,143.80/151,569.90 = 44,937.90/x
  3. Step 3: Cross multiply
    101,143.80x = 151,569.90 × 44,937.90
  4. Step 4: Simplify right side
    101,143.80x = 6,811,233,009.21
  5. Step 5: Solve for x
    x = 6,811,233,009.21/101,143.80
  6. Step 6: Final answer
    x = 67,342.07

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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.