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Finding the Fourth Proportional to 194,280.44, 291,437.16 and 54,039.08

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Solution

The fourth proportional to 194,280.44, 291,437.16 and 54,039.08 is: 81,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,280.44 : 291,437.16 = 54,039.08 : x
  2. Step 2: Convert to fraction form
    194,280.44/291,437.16 = 54,039.08/x
  3. Step 3: Cross multiply
    194,280.44x = 291,437.16 × 54,039.08
  4. Step 4: Simplify right side
    194,280.44x = 15,748,996,004.21
  5. Step 5: Solve for x
    x = 15,748,996,004.21/194,280.44
  6. Step 6: Final answer
    x = 81,063.21

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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.