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Finding the Fourth Proportional to 181,671.51, 272,548.73 and 55,329.65

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Solution

The fourth proportional to 181,671.51, 272,548.73 and 55,329.65 is: 83,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,671.51 : 272,548.73 = 55,329.65 : x
  2. Step 2: Convert to fraction form
    181,671.51/272,548.73 = 55,329.65/x
  3. Step 3: Cross multiply
    181,671.51x = 272,548.73 × 55,329.65
  4. Step 4: Simplify right side
    181,671.51x = 15,080,025,636.48
  5. Step 5: Solve for x
    x = 15,080,025,636.48/181,671.51
  6. Step 6: Final answer
    x = 83,007.10

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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.