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Finding the Fourth Proportional to 115,458.40, 173,101.20 and 62,927.20

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Solution

The fourth proportional to 115,458.40, 173,101.20 and 62,927.20 is: 94,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,458.40 : 173,101.20 = 62,927.20 : x
  2. Step 2: Convert to fraction form
    115,458.40/173,101.20 = 62,927.20/x
  3. Step 3: Cross multiply
    115,458.40x = 173,101.20 × 62,927.20
  4. Step 4: Simplify right side
    115,458.40x = 10,892,773,832.64
  5. Step 5: Solve for x
    x = 10,892,773,832.64/115,458.40
  6. Step 6: Final answer
    x = 94,343.71

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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.