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Finding the Fourth Proportional to 125,674.52, 188,399.70 and 46,734.75

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Solution

The fourth proportional to 125,674.52, 188,399.70 and 46,734.75 is: 70,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,674.52 : 188,399.70 = 46,734.75 : x
  2. Step 2: Convert to fraction form
    125,674.52/188,399.70 = 46,734.75/x
  3. Step 3: Cross multiply
    125,674.52x = 188,399.70 × 46,734.75
  4. Step 4: Simplify right side
    125,674.52x = 8,804,812,879.58
  5. Step 5: Solve for x
    x = 8,804,812,879.58/125,674.52
  6. Step 6: Final answer
    x = 70,060.45

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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.