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Finding the Fourth Proportional to 194,264.92, 291,422.88 and 67,907.32

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Solution

The fourth proportional to 194,264.92, 291,422.88 and 67,907.32 is: 101,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,264.92 : 291,422.88 = 67,907.32 : x
  2. Step 2: Convert to fraction form
    194,264.92/291,422.88 = 67,907.32/x
  3. Step 3: Cross multiply
    194,264.92x = 291,422.88 × 67,907.32
  4. Step 4: Simplify right side
    194,264.92x = 19,789,746,767.48
  5. Step 5: Solve for x
    x = 19,789,746,767.48/194,264.92
  6. Step 6: Final answer
    x = 101,869.89

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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.