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Finding the Fourth Proportional to 181,885.40, 272,828.10 and 173,720.60

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Solution

The fourth proportional to 181,885.40, 272,828.10 and 173,720.60 is: 260,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,885.40 : 272,828.10 = 173,720.60 : x
  2. Step 2: Convert to fraction form
    181,885.40/272,828.10 = 173,720.60/x
  3. Step 3: Cross multiply
    181,885.40x = 272,828.10 × 173,720.60
  4. Step 4: Simplify right side
    181,885.40x = 47,395,861,228.86
  5. Step 5: Solve for x
    x = 47,395,861,228.86/181,885.40
  6. Step 6: Final answer
    x = 260,580.90

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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.