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Finding the Fourth Proportional to 183,658.20, 274,904.10 and 169,661.40

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Solution

The fourth proportional to 183,658.20, 274,904.10 and 169,661.40 is: 253,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,658.20 : 274,904.10 = 169,661.40 : x
  2. Step 2: Convert to fraction form
    183,658.20/274,904.10 = 169,661.40/x
  3. Step 3: Cross multiply
    183,658.20x = 274,904.10 × 169,661.40
  4. Step 4: Simplify right side
    183,658.20x = 46,640,614,471.74
  5. Step 5: Solve for x
    x = 46,640,614,471.74/183,658.20
  6. Step 6: Final answer
    x = 253,953.35

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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.