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Finding the Fourth Proportional to 181,917.30, 255,209.10 and 181,917.30

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Solution

The fourth proportional to 181,917.30, 255,209.10 and 181,917.30 is: 255,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,917.30 : 255,209.10 = 181,917.30 : x
  2. Step 2: Convert to fraction form
    181,917.30/255,209.10 = 181,917.30/x
  3. Step 3: Cross multiply
    181,917.30x = 255,209.10 × 181,917.30
  4. Step 4: Simplify right side
    181,917.30x = 46,426,950,407.43
  5. Step 5: Solve for x
    x = 46,426,950,407.43/181,917.30
  6. Step 6: Final answer
    x = 255,209.10

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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.