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Finding the Fourth Proportional to 189,398.10, 284,112.26 and 63,033.78

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Solution

The fourth proportional to 189,398.10, 284,112.26 and 63,033.78 is: 94,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,398.10 : 284,112.26 = 63,033.78 : x
  2. Step 2: Convert to fraction form
    189,398.10/284,112.26 = 63,033.78/x
  3. Step 3: Cross multiply
    189,398.10x = 284,112.26 × 63,033.78
  4. Step 4: Simplify right side
    189,398.10x = 17,908,669,692.14
  5. Step 5: Solve for x
    x = 17,908,669,692.14/189,398.10
  6. Step 6: Final answer
    x = 94,555.70

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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.