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Finding the Fourth Proportional to 189,301.60, 283,606.80 and 154,050.40

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Solution

The fourth proportional to 189,301.60, 283,606.80 and 154,050.40 is: 230,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,301.60 : 283,606.80 = 154,050.40 : x
  2. Step 2: Convert to fraction form
    189,301.60/283,606.80 = 154,050.40/x
  3. Step 3: Cross multiply
    189,301.60x = 283,606.80 × 154,050.40
  4. Step 4: Simplify right side
    189,301.60x = 43,689,740,982.72
  5. Step 5: Solve for x
    x = 43,689,740,982.72/189,301.60
  6. Step 6: Final answer
    x = 230,794.36

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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.