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Finding the Fourth Proportional to 60,225.93, 90,349.14 and 20,773.80

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Solution

The fourth proportional to 60,225.93, 90,349.14 and 20,773.80 is: 31,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,225.93 : 90,349.14 = 20,773.80 : x
  2. Step 2: Convert to fraction form
    60,225.93/90,349.14 = 20,773.80/x
  3. Step 3: Cross multiply
    60,225.93x = 90,349.14 × 20,773.80
  4. Step 4: Simplify right side
    60,225.93x = 1,876,894,964.53
  5. Step 5: Solve for x
    x = 1,876,894,964.53/60,225.93
  6. Step 6: Final answer
    x = 31,164.23

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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.