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Finding the Fourth Proportional to 60,157.65, 90,218.96 and 18,036.05

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Solution

The fourth proportional to 60,157.65, 90,218.96 and 18,036.05 is: 27,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,157.65 : 90,218.96 = 18,036.05 : x
  2. Step 2: Convert to fraction form
    60,157.65/90,218.96 = 18,036.05/x
  3. Step 3: Cross multiply
    60,157.65x = 90,218.96 × 18,036.05
  4. Step 4: Simplify right side
    60,157.65x = 1,627,193,583.33
  5. Step 5: Solve for x
    x = 1,627,193,583.33/60,157.65
  6. Step 6: Final answer
    x = 27,048.82

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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.