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Finding the Fourth Proportional to 181,570.10, 272,355.15 and 173,891.30

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Solution

The fourth proportional to 181,570.10, 272,355.15 and 173,891.30 is: 260,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,570.10 : 272,355.15 = 173,891.30 : x
  2. Step 2: Convert to fraction form
    181,570.10/272,355.15 = 173,891.30/x
  3. Step 3: Cross multiply
    181,570.10x = 272,355.15 × 173,891.30
  4. Step 4: Simplify right side
    181,570.10x = 47,360,191,095.20
  5. Step 5: Solve for x
    x = 47,360,191,095.20/181,570.10
  6. Step 6: Final answer
    x = 260,836.95

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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.