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Finding the Fourth Proportional to 243,969.33, 336,713.02 and 140,583.41

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Solution

The fourth proportional to 243,969.33, 336,713.02 and 140,583.41 is: 194,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,969.33 : 336,713.02 = 140,583.41 : x
  2. Step 2: Convert to fraction form
    243,969.33/336,713.02 = 140,583.41/x
  3. Step 3: Cross multiply
    243,969.33x = 336,713.02 × 140,583.41
  4. Step 4: Simplify right side
    243,969.33x = 47,336,264,543.00
  5. Step 5: Solve for x
    x = 47,336,264,543.00/243,969.33
  6. Step 6: Final answer
    x = 194,025.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.