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Finding the Fourth Proportional to 298,750.27, 448,332.31 and 118,817.23

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Solution

The fourth proportional to 298,750.27, 448,332.31 and 118,817.23 is: 178,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,750.27 : 448,332.31 = 118,817.23 : x
  2. Step 2: Convert to fraction form
    298,750.27/448,332.31 = 118,817.23/x
  3. Step 3: Cross multiply
    298,750.27x = 448,332.31 × 118,817.23
  4. Step 4: Simplify right side
    298,750.27x = 53,269,603,193.70
  5. Step 5: Solve for x
    x = 53,269,603,193.70/298,750.27
  6. Step 6: Final answer
    x = 178,308.13

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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.