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Finding the Fourth Proportional to 249,469.59, 344,268.37 and 142,039.67

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Solution

The fourth proportional to 249,469.59, 344,268.37 and 142,039.67 is: 196,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,469.59 : 344,268.37 = 142,039.67 : x
  2. Step 2: Convert to fraction form
    249,469.59/344,268.37 = 142,039.67/x
  3. Step 3: Cross multiply
    249,469.59x = 344,268.37 × 142,039.67
  4. Step 4: Simplify right side
    249,469.59x = 48,899,763,234.70
  5. Step 5: Solve for x
    x = 48,899,763,234.70/249,469.59
  6. Step 6: Final answer
    x = 196,014.93

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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.