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Finding the Fourth Proportional to 194,641.40, 291,947.51 and 54,410.96

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Solution

The fourth proportional to 194,641.40, 291,947.51 and 54,410.96 is: 81,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,641.40 : 291,947.51 = 54,410.96 : x
  2. Step 2: Convert to fraction form
    194,641.40/291,947.51 = 54,410.96/x
  3. Step 3: Cross multiply
    194,641.40x = 291,947.51 × 54,410.96
  4. Step 4: Simplify right side
    194,641.40x = 15,885,142,965.00
  5. Step 5: Solve for x
    x = 15,885,142,965.00/194,641.40
  6. Step 6: Final answer
    x = 81,612.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.