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Finding the Fourth Proportional to 181,737.60, 272,649.51 and 57,078.60

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Solution

The fourth proportional to 181,737.60, 272,649.51 and 57,078.60 is: 85,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,737.60 : 272,649.51 = 57,078.60 : x
  2. Step 2: Convert to fraction form
    181,737.60/272,649.51 = 57,078.60/x
  3. Step 3: Cross multiply
    181,737.60x = 272,649.51 × 57,078.60
  4. Step 4: Simplify right side
    181,737.60x = 15,562,452,321.49
  5. Step 5: Solve for x
    x = 15,562,452,321.49/181,737.60
  6. Step 6: Final answer
    x = 85,631.44

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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.