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Finding the Fourth Proportional to 194,309.04, 291,281.04 and 67,871.28

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Solution

The fourth proportional to 194,309.04, 291,281.04 and 67,871.28 is: 101,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,309.04 : 291,281.04 = 67,871.28 : x
  2. Step 2: Convert to fraction form
    194,309.04/291,281.04 = 67,871.28/x
  3. Step 3: Cross multiply
    194,309.04x = 291,281.04 × 67,871.28
  4. Step 4: Simplify right side
    194,309.04x = 19,769,617,024.53
  5. Step 5: Solve for x
    x = 19,769,617,024.53/194,309.04
  6. Step 6: Final answer
    x = 101,743.17

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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.