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Finding the Fourth Proportional to 381,720.16, 572,610.27 and 101,237.41

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Solution

The fourth proportional to 381,720.16, 572,610.27 and 101,237.41 is: 151,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,720.16 : 572,610.27 = 101,237.41 : x
  2. Step 2: Convert to fraction form
    381,720.16/572,610.27 = 101,237.41/x
  3. Step 3: Cross multiply
    381,720.16x = 572,610.27 × 101,237.41
  4. Step 4: Simplify right side
    381,720.16x = 57,969,580,674.20
  5. Step 5: Solve for x
    x = 57,969,580,674.20/381,720.16
  6. Step 6: Final answer
    x = 151,864.08

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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.