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Finding the Fourth Proportional to 181,952.76, 272,945.55 and 69,628.44

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Solution

The fourth proportional to 181,952.76, 272,945.55 and 69,628.44 is: 104,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,952.76 : 272,945.55 = 69,628.44 : x
  2. Step 2: Convert to fraction form
    181,952.76/272,945.55 = 69,628.44/x
  3. Step 3: Cross multiply
    181,952.76x = 272,945.55 × 69,628.44
  4. Step 4: Simplify right side
    181,952.76x = 19,004,772,851.44
  5. Step 5: Solve for x
    x = 19,004,772,851.44/181,952.76
  6. Step 6: Final answer
    x = 104,448.94

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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.