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Finding the Fourth Proportional to 194,548.57, 291,579.26 and 104,368.57

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Solution

The fourth proportional to 194,548.57, 291,579.26 and 104,368.57 is: 156,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,548.57 : 291,579.26 = 104,368.57 : x
  2. Step 2: Convert to fraction form
    194,548.57/291,579.26 = 104,368.57/x
  3. Step 3: Cross multiply
    194,548.57x = 291,579.26 × 104,368.57
  4. Step 4: Simplify right side
    194,548.57x = 30,431,709,886.02
  5. Step 5: Solve for x
    x = 30,431,709,886.02/194,548.57
  6. Step 6: Final answer
    x = 156,422.17

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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.