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Finding the Fourth Proportional to 60,480.57, 90,730.43 and 16,110.90

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Solution

The fourth proportional to 60,480.57, 90,730.43 and 16,110.90 is: 24,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480.57 : 90,730.43 = 16,110.90 : x
  2. Step 2: Convert to fraction form
    60,480.57/90,730.43 = 16,110.90/x
  3. Step 3: Cross multiply
    60,480.57x = 90,730.43 × 16,110.90
  4. Step 4: Simplify right side
    60,480.57x = 1,461,748,864.55
  5. Step 5: Solve for x
    x = 1,461,748,864.55/60,480.57
  6. Step 6: Final answer
    x = 24,168.90

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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.