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Finding the Fourth Proportional to 125,933.28, 188,783.22 and 46,987.44

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Solution

The fourth proportional to 125,933.28, 188,783.22 and 46,987.44 is: 70,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,933.28 : 188,783.22 = 46,987.44 : x
  2. Step 2: Convert to fraction form
    125,933.28/188,783.22 = 46,987.44/x
  3. Step 3: Cross multiply
    125,933.28x = 188,783.22 × 46,987.44
  4. Step 4: Simplify right side
    125,933.28x = 8,870,440,222.76
  5. Step 5: Solve for x
    x = 8,870,440,222.76/125,933.28
  6. Step 6: Final answer
    x = 70,437.62

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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.