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Finding the Fourth Proportional to 264,124.99, 396,086.48 and 144,117.79

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Solution

The fourth proportional to 264,124.99, 396,086.48 and 144,117.79 is: 216,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,124.99 : 396,086.48 = 144,117.79 : x
  2. Step 2: Convert to fraction form
    264,124.99/396,086.48 = 144,117.79/x
  3. Step 3: Cross multiply
    264,124.99x = 396,086.48 × 144,117.79
  4. Step 4: Simplify right side
    264,124.99x = 57,083,108,146.48
  5. Step 5: Solve for x
    x = 57,083,108,146.48/264,124.99
  6. Step 6: Final answer
    x = 216,121.57

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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.