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Finding the Fourth Proportional to 181,355.50, 272,032.90 and 48,235.90

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Solution

The fourth proportional to 181,355.50, 272,032.90 and 48,235.90 is: 72,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,355.50 : 272,032.90 = 48,235.90 : x
  2. Step 2: Convert to fraction form
    181,355.50/272,032.90 = 48,235.90/x
  3. Step 3: Cross multiply
    181,355.50x = 272,032.90 × 48,235.90
  4. Step 4: Simplify right side
    181,355.50x = 13,121,751,741.83
  5. Step 5: Solve for x
    x = 13,121,751,741.83/181,355.50
  6. Step 6: Final answer
    x = 72,353.76

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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.