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Finding the Fourth Proportional to 194,448.33, 291,681.72 and 94,489.45

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Solution

The fourth proportional to 194,448.33, 291,681.72 and 94,489.45 is: 141,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,448.33 : 291,681.72 = 94,489.45 : x
  2. Step 2: Convert to fraction form
    194,448.33/291,681.72 = 94,489.45/x
  3. Step 3: Cross multiply
    194,448.33x = 291,681.72 × 94,489.45
  4. Step 4: Simplify right side
    194,448.33x = 27,560,845,297.85
  5. Step 5: Solve for x
    x = 27,560,845,297.85/194,448.33
  6. Step 6: Final answer
    x = 141,738.66

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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.