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Finding the Fourth Proportional to 181,730.88, 272,625.71 and 61,798.54

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Solution

The fourth proportional to 181,730.88, 272,625.71 and 61,798.54 is: 92,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,730.88 : 272,625.71 = 61,798.54 : x
  2. Step 2: Convert to fraction form
    181,730.88/272,625.71 = 61,798.54/x
  3. Step 3: Cross multiply
    181,730.88x = 272,625.71 × 61,798.54
  4. Step 4: Simplify right side
    181,730.88x = 16,847,870,317.40
  5. Step 5: Solve for x
    x = 16,847,870,317.40/181,730.88
  6. Step 6: Final answer
    x = 92,707.80

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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.