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Finding the Fourth Proportional to 194,064.44, 291,004.47 and 67,689.33

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Solution

The fourth proportional to 194,064.44, 291,004.47 and 67,689.33 is: 101,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,064.44 : 291,004.47 = 67,689.33 : x
  2. Step 2: Convert to fraction form
    194,064.44/291,004.47 = 67,689.33/x
  3. Step 3: Cross multiply
    194,064.44x = 291,004.47 × 67,689.33
  4. Step 4: Simplify right side
    194,064.44x = 19,697,897,601.31
  5. Step 5: Solve for x
    x = 19,697,897,601.31/194,064.44
  6. Step 6: Final answer
    x = 101,501.84

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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.