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Finding the Fourth Proportional to 194,809.28, 291,721.83 and 155,443.28

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Solution

The fourth proportional to 194,809.28, 291,721.83 and 155,443.28 is: 232,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,809.28 : 291,721.83 = 155,443.28 : x
  2. Step 2: Convert to fraction form
    194,809.28/291,721.83 = 155,443.28/x
  3. Step 3: Cross multiply
    194,809.28x = 291,721.83 × 155,443.28
  4. Step 4: Simplify right side
    194,809.28x = 45,346,196,644.19
  5. Step 5: Solve for x
    x = 45,346,196,644.19/194,809.28
  6. Step 6: Final answer
    x = 232,772.27

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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.