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Finding the Fourth Proportional to 376,030.56, 564,037.92 and 91,722

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Solution

The fourth proportional to 376,030.56, 564,037.92 and 91,722 is: 137,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,030.56 : 564,037.92 = 91,722 : x
  2. Step 2: Convert to fraction form
    376,030.56/564,037.92 = 91,722/x
  3. Step 3: Cross multiply
    376,030.56x = 564,037.92 × 91,722
  4. Step 4: Simplify right side
    376,030.56x = 51,734,686,098.24
  5. Step 5: Solve for x
    x = 51,734,686,098.24/376,030.56
  6. Step 6: Final answer
    x = 137,581.07

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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.