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Finding the Fourth Proportional to 181,927.65, 272,891.48 and 155,355.60

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Solution

The fourth proportional to 181,927.65, 272,891.48 and 155,355.60 is: 233,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,927.65 : 272,891.48 = 155,355.60 : x
  2. Step 2: Convert to fraction form
    181,927.65/272,891.48 = 155,355.60/x
  3. Step 3: Cross multiply
    181,927.65x = 272,891.48 × 155,355.60
  4. Step 4: Simplify right side
    181,927.65x = 42,395,218,833.51
  5. Step 5: Solve for x
    x = 42,395,218,833.51/181,927.65
  6. Step 6: Final answer
    x = 233,033.40

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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.