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Finding the Fourth Proportional to 173,671.43, 260,384.13 and 66,965.00

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Solution

The fourth proportional to 173,671.43, 260,384.13 and 66,965.00 is: 100,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,671.43 : 260,384.13 = 66,965.00 : x
  2. Step 2: Convert to fraction form
    173,671.43/260,384.13 = 66,965.00/x
  3. Step 3: Cross multiply
    173,671.43x = 260,384.13 × 66,965.00
  4. Step 4: Simplify right side
    173,671.43x = 17,436,621,963.53
  5. Step 5: Solve for x
    x = 17,436,621,963.53/173,671.43
  6. Step 6: Final answer
    x = 100,400.06

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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.