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Finding the Fourth Proportional to 125,969.96, 188,957.78 and 47,041.13

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Solution

The fourth proportional to 125,969.96, 188,957.78 and 47,041.13 is: 70,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,969.96 : 188,957.78 = 47,041.13 : x
  2. Step 2: Convert to fraction form
    125,969.96/188,957.78 = 47,041.13/x
  3. Step 3: Cross multiply
    125,969.96x = 188,957.78 × 47,041.13
  4. Step 4: Simplify right side
    125,969.96x = 8,888,787,493.49
  5. Step 5: Solve for x
    x = 8,888,787,493.49/125,969.96
  6. Step 6: Final answer
    x = 70,562.76

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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.