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Finding the Fourth Proportional to 60,497.46, 90,735.93 and 16,128.90

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Solution

The fourth proportional to 60,497.46, 90,735.93 and 16,128.90 is: 24,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,497.46 : 90,735.93 = 16,128.90 : x
  2. Step 2: Convert to fraction form
    60,497.46/90,735.93 = 16,128.90/x
  3. Step 3: Cross multiply
    60,497.46x = 90,735.93 × 16,128.90
  4. Step 4: Simplify right side
    60,497.46x = 1,463,470,741.38
  5. Step 5: Solve for x
    x = 1,463,470,741.38/60,497.46
  6. Step 6: Final answer
    x = 24,190.61

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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.