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Finding the Fourth Proportional to 181,519.90, 254,390.30 and 181,519.90

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Solution

The fourth proportional to 181,519.90, 254,390.30 and 181,519.90 is: 254,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,519.90 : 254,390.30 = 181,519.90 : x
  2. Step 2: Convert to fraction form
    181,519.90/254,390.30 = 181,519.90/x
  3. Step 3: Cross multiply
    181,519.90x = 254,390.30 × 181,519.90
  4. Step 4: Simplify right side
    181,519.90x = 46,176,901,816.97
  5. Step 5: Solve for x
    x = 46,176,901,816.97/181,519.90
  6. Step 6: Final answer
    x = 254,390.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.