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Finding the Fourth Proportional to 125,883.80, 188,825.70 and 47,004.18

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Solution

The fourth proportional to 125,883.80, 188,825.70 and 47,004.18 is: 70,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,883.80 : 188,825.70 = 47,004.18 : x
  2. Step 2: Convert to fraction form
    125,883.80/188,825.70 = 47,004.18/x
  3. Step 3: Cross multiply
    125,883.80x = 188,825.70 × 47,004.18
  4. Step 4: Simplify right side
    125,883.80x = 8,875,597,191.43
  5. Step 5: Solve for x
    x = 8,875,597,191.43/125,883.80
  6. Step 6: Final answer
    x = 70,506.27

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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.