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Finding the Fourth Proportional to 381,078.24, 571,617.59 and 96,790.11

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Solution

The fourth proportional to 381,078.24, 571,617.59 and 96,790.11 is: 145,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,078.24 : 571,617.59 = 96,790.11 : x
  2. Step 2: Convert to fraction form
    381,078.24/571,617.59 = 96,790.11/x
  3. Step 3: Cross multiply
    381,078.24x = 571,617.59 × 96,790.11
  4. Step 4: Simplify right side
    381,078.24x = 55,326,927,330.96
  5. Step 5: Solve for x
    x = 55,326,927,330.96/381,078.24
  6. Step 6: Final answer
    x = 145,185.22

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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.