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Finding the Fourth Proportional to 189,191.66, 283,787.49 and 64,533.74

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Solution

The fourth proportional to 189,191.66, 283,787.49 and 64,533.74 is: 96,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,191.66 : 283,787.49 = 64,533.74 : x
  2. Step 2: Convert to fraction form
    189,191.66/283,787.49 = 64,533.74/x
  3. Step 3: Cross multiply
    189,191.66x = 283,787.49 × 64,533.74
  4. Step 4: Simplify right side
    189,191.66x = 18,313,868,094.91
  5. Step 5: Solve for x
    x = 18,313,868,094.91/189,191.66
  6. Step 6: Final answer
    x = 96,800.61

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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.