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Finding the Fourth Proportional to 125,630.60, 188,424.30 and 46,704.20

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Solution

The fourth proportional to 125,630.60, 188,424.30 and 46,704.20 is: 70,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,630.60 : 188,424.30 = 46,704.20 : x
  2. Step 2: Convert to fraction form
    125,630.60/188,424.30 = 46,704.20/x
  3. Step 3: Cross multiply
    125,630.60x = 188,424.30 × 46,704.20
  4. Step 4: Simplify right side
    125,630.60x = 8,800,206,192.06
  5. Step 5: Solve for x
    x = 8,800,206,192.06/125,630.60
  6. Step 6: Final answer
    x = 70,048.27

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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.