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Finding the Fourth Proportional to 181,418.40, 272,062.80 and 63,093.60

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Solution

The fourth proportional to 181,418.40, 272,062.80 and 63,093.60 is: 94,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,418.40 : 272,062.80 = 63,093.60 : x
  2. Step 2: Convert to fraction form
    181,418.40/272,062.80 = 63,093.60/x
  3. Step 3: Cross multiply
    181,418.40x = 272,062.80 × 63,093.60
  4. Step 4: Simplify right side
    181,418.40x = 17,165,421,478.08
  5. Step 5: Solve for x
    x = 17,165,421,478.08/181,418.40
  6. Step 6: Final answer
    x = 94,617.86

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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.