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Finding the Fourth Proportional to 181,629.51, 272,488.02 and 56,970.51

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Solution

The fourth proportional to 181,629.51, 272,488.02 and 56,970.51 is: 85,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,629.51 : 272,488.02 = 56,970.51 : x
  2. Step 2: Convert to fraction form
    181,629.51/272,488.02 = 56,970.51/x
  3. Step 3: Cross multiply
    181,629.51x = 272,488.02 × 56,970.51
  4. Step 4: Simplify right side
    181,629.51x = 15,523,781,468.29
  5. Step 5: Solve for x
    x = 15,523,781,468.29/181,629.51
  6. Step 6: Final answer
    x = 85,469.49

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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.