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Finding the Fourth Proportional to 189,334.40, 283,902.40 and 56,196.48

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Solution

The fourth proportional to 189,334.40, 283,902.40 and 56,196.48 is: 84,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,334.40 : 283,902.40 = 56,196.48 : x
  2. Step 2: Convert to fraction form
    189,334.40/283,902.40 = 56,196.48/x
  3. Step 3: Cross multiply
    189,334.40x = 283,902.40 × 56,196.48
  4. Step 4: Simplify right side
    189,334.40x = 15,954,315,543.55
  5. Step 5: Solve for x
    x = 15,954,315,543.55/189,334.40
  6. Step 6: Final answer
    x = 84,265.28

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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.