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Finding the Fourth Proportional to 60,486.64, 90,722.72 and 16,116.64

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Solution

The fourth proportional to 60,486.64, 90,722.72 and 16,116.64 is: 24,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486.64 : 90,722.72 = 16,116.64 : x
  2. Step 2: Convert to fraction form
    60,486.64/90,722.72 = 16,116.64/x
  3. Step 3: Cross multiply
    60,486.64x = 90,722.72 × 16,116.64
  4. Step 4: Simplify right side
    60,486.64x = 1,462,145,418.06
  5. Step 5: Solve for x
    x = 1,462,145,418.06/60,486.64
  6. Step 6: Final answer
    x = 24,173.03

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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.