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Finding the Fourth Proportional to 60,482.58, 90,733.42 and 16,112.90

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Solution

The fourth proportional to 60,482.58, 90,733.42 and 16,112.90 is: 24,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,482.58 : 90,733.42 = 16,112.90 : x
  2. Step 2: Convert to fraction form
    60,482.58/90,733.42 = 16,112.90/x
  3. Step 3: Cross multiply
    60,482.58x = 90,733.42 × 16,112.90
  4. Step 4: Simplify right side
    60,482.58x = 1,461,978,523.12
  5. Step 5: Solve for x
    x = 1,461,978,523.12/60,482.58
  6. Step 6: Final answer
    x = 24,171.89

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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.