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Finding the Fourth Proportional to 189,191.54, 283,787.30 and 64,533.62

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Solution

The fourth proportional to 189,191.54, 283,787.30 and 64,533.62 is: 96,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,191.54 : 283,787.30 = 64,533.62 : x
  2. Step 2: Convert to fraction form
    189,191.54/283,787.30 = 64,533.62/x
  3. Step 3: Cross multiply
    189,191.54x = 283,787.30 × 64,533.62
  4. Step 4: Simplify right side
    189,191.54x = 18,313,820,521.42
  5. Step 5: Solve for x
    x = 18,313,820,521.42/189,191.54
  6. Step 6: Final answer
    x = 96,800.42

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1.5x scale

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.