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Finding the Fourth Proportional to 191,896.02, 287,844.03 and 51,651

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Solution

The fourth proportional to 191,896.02, 287,844.03 and 51,651 is: 77,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,896.02 : 287,844.03 = 51,651 : x
  2. Step 2: Convert to fraction form
    191,896.02/287,844.03 = 51,651/x
  3. Step 3: Cross multiply
    191,896.02x = 287,844.03 × 51,651
  4. Step 4: Simplify right side
    191,896.02x = 14,867,431,993.53
  5. Step 5: Solve for x
    x = 14,867,431,993.53/191,896.02
  6. Step 6: Final answer
    x = 77,476.50

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Similar ratio
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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.