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Finding the Fourth Proportional to 194,569, 268,547 and 122,903.44

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Solution

The fourth proportional to 194,569, 268,547 and 122,903.44 is: 169,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,569 : 268,547 = 122,903.44 : x
  2. Step 2: Convert to fraction form
    194,569/268,547 = 122,903.44/x
  3. Step 3: Cross multiply
    194,569x = 268,547 × 122,903.44
  4. Step 4: Simplify right side
    194,569x = 33,005,350,101.68
  5. Step 5: Solve for x
    x = 33,005,350,101.68/194,569
  6. Step 6: Final answer
    x = 169,633.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.