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Finding the Fourth Proportional to 249,174.92, 373,749.27 and 71,674.97

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Solution

The fourth proportional to 249,174.92, 373,749.27 and 71,674.97 is: 107,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,174.92 : 373,749.27 = 71,674.97 : x
  2. Step 2: Convert to fraction form
    249,174.92/373,749.27 = 71,674.97/x
  3. Step 3: Cross multiply
    249,174.92x = 373,749.27 × 71,674.97
  4. Step 4: Simplify right side
    249,174.92x = 26,788,465,846.03
  5. Step 5: Solve for x
    x = 26,788,465,846.03/249,174.92
  6. Step 6: Final answer
    x = 107,508.68

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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.