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Finding the Fourth Proportional to 210,895.66, 316,343.49 and 92,568.03

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Solution

The fourth proportional to 210,895.66, 316,343.49 and 92,568.03 is: 138,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,895.66 : 316,343.49 = 92,568.03 : x
  2. Step 2: Convert to fraction form
    210,895.66/316,343.49 = 92,568.03/x
  3. Step 3: Cross multiply
    210,895.66x = 316,343.49 × 92,568.03
  4. Step 4: Simplify right side
    210,895.66x = 29,283,293,672.62
  5. Step 5: Solve for x
    x = 29,283,293,672.62/210,895.66
  6. Step 6: Final answer
    x = 138,852.05

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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.