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Finding the Fourth Proportional to 329,053.98, 493,611.09 and 92,395.06

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Solution

The fourth proportional to 329,053.98, 493,611.09 and 92,395.06 is: 138,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,053.98 : 493,611.09 = 92,395.06 : x
  2. Step 2: Convert to fraction form
    329,053.98/493,611.09 = 92,395.06/x
  3. Step 3: Cross multiply
    329,053.98x = 493,611.09 × 92,395.06
  4. Step 4: Simplify right side
    329,053.98x = 45,607,226,277.22
  5. Step 5: Solve for x
    x = 45,607,226,277.22/329,053.98
  6. Step 6: Final answer
    x = 138,601.05

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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.