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Finding the Fourth Proportional to 189,023.60, 283,562.40 and 55,886.60

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Solution

The fourth proportional to 189,023.60, 283,562.40 and 55,886.60 is: 83,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,023.60 : 283,562.40 = 55,886.60 : x
  2. Step 2: Convert to fraction form
    189,023.60/283,562.40 = 55,886.60/x
  3. Step 3: Cross multiply
    189,023.60x = 283,562.40 × 55,886.60
  4. Step 4: Simplify right side
    189,023.60x = 15,847,338,423.84
  5. Step 5: Solve for x
    x = 15,847,338,423.84/189,023.60
  6. Step 6: Final answer
    x = 83,837.88

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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.