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Finding the Fourth Proportional to 181,045.72, 273,196.69 and 174,790.90

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Solution

The fourth proportional to 181,045.72, 273,196.69 and 174,790.90 is: 263,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,045.72 : 273,196.69 = 174,790.90 : x
  2. Step 2: Convert to fraction form
    181,045.72/273,196.69 = 174,790.90/x
  3. Step 3: Cross multiply
    181,045.72x = 273,196.69 × 174,790.90
  4. Step 4: Simplify right side
    181,045.72x = 47,752,295,322.12
  5. Step 5: Solve for x
    x = 47,752,295,322.12/181,045.72
  6. Step 6: Final answer
    x = 263,758.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.