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Finding the Fourth Proportional to 125,671.82, 188,506.07 and 30,902.82

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Solution

The fourth proportional to 125,671.82, 188,506.07 and 30,902.82 is: 46,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,671.82 : 188,506.07 = 30,902.82 : x
  2. Step 2: Convert to fraction form
    125,671.82/188,506.07 = 30,902.82/x
  3. Step 3: Cross multiply
    125,671.82x = 188,506.07 × 30,902.82
  4. Step 4: Simplify right side
    125,671.82x = 5,825,368,520.48
  5. Step 5: Solve for x
    x = 5,825,368,520.48/125,671.82
  6. Step 6: Final answer
    x = 46,353.82

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1.5x scale

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.