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Finding the Fourth Proportional to 194,196.66, 291,310.80 and 53,955.30

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Solution

The fourth proportional to 194,196.66, 291,310.80 and 53,955.30 is: 80,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,196.66 : 291,310.80 = 53,955.30 : x
  2. Step 2: Convert to fraction form
    194,196.66/291,310.80 = 53,955.30/x
  3. Step 3: Cross multiply
    194,196.66x = 291,310.80 × 53,955.30
  4. Step 4: Simplify right side
    194,196.66x = 15,717,761,607.24
  5. Step 5: Solve for x
    x = 15,717,761,607.24/194,196.66
  6. Step 6: Final answer
    x = 80,937.34

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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.