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Finding the Fourth Proportional to 103,658.07, 154,594.48 and 101,791.83

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Solution

The fourth proportional to 103,658.07, 154,594.48 and 101,791.83 is: 151,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658.07 : 154,594.48 = 101,791.83 : x
  2. Step 2: Convert to fraction form
    103,658.07/154,594.48 = 101,791.83/x
  3. Step 3: Cross multiply
    103,658.07x = 154,594.48 × 101,791.83
  4. Step 4: Simplify right side
    103,658.07x = 15,736,454,772.62
  5. Step 5: Solve for x
    x = 15,736,454,772.62/103,658.07
  6. Step 6: Final answer
    x = 151,811.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.