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Finding the Fourth Proportional to 125,370.69, 188,063.63 and 50,490.84

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Solution

The fourth proportional to 125,370.69, 188,063.63 and 50,490.84 is: 75,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,370.69 : 188,063.63 = 50,490.84 : x
  2. Step 2: Convert to fraction form
    125,370.69/188,063.63 = 50,490.84/x
  3. Step 3: Cross multiply
    125,370.69x = 188,063.63 × 50,490.84
  4. Step 4: Simplify right side
    125,370.69x = 9,495,490,399.70
  5. Step 5: Solve for x
    x = 9,495,490,399.70/125,370.69
  6. Step 6: Final answer
    x = 75,739.32

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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.