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Finding the Fourth Proportional to 185,727.76, 278,148.76 and 101,361.51

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Solution

The fourth proportional to 185,727.76, 278,148.76 and 101,361.51 is: 151,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,727.76 : 278,148.76 = 101,361.51 : x
  2. Step 2: Convert to fraction form
    185,727.76/278,148.76 = 101,361.51/x
  3. Step 3: Cross multiply
    185,727.76x = 278,148.76 × 101,361.51
  4. Step 4: Simplify right side
    185,727.76x = 28,193,578,064.82
  5. Step 5: Solve for x
    x = 28,193,578,064.82/185,727.76
  6. Step 6: Final answer
    x = 151,800.56

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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.