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Finding the Fourth Proportional to 181,541.68, 272,325.52 and 48,421.20

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Solution

The fourth proportional to 181,541.68, 272,325.52 and 48,421.20 is: 72,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,541.68 : 272,325.52 = 48,421.20 : x
  2. Step 2: Convert to fraction form
    181,541.68/272,325.52 = 48,421.20/x
  3. Step 3: Cross multiply
    181,541.68x = 272,325.52 × 48,421.20
  4. Step 4: Simplify right side
    181,541.68x = 13,186,328,469.02
  5. Step 5: Solve for x
    x = 13,186,328,469.02/181,541.68
  6. Step 6: Final answer
    x = 72,635.27

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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.