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Finding the Fourth Proportional to 125,879.05, 188,818.58 and 46,999.43

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Solution

The fourth proportional to 125,879.05, 188,818.58 and 46,999.43 is: 70,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,879.05 : 188,818.58 = 46,999.43 : x
  2. Step 2: Convert to fraction form
    125,879.05/188,818.58 = 46,999.43/x
  3. Step 3: Cross multiply
    125,879.05x = 188,818.58 × 46,999.43
  4. Step 4: Simplify right side
    125,879.05x = 8,874,364,454.32
  5. Step 5: Solve for x
    x = 8,874,364,454.32/125,879.05
  6. Step 6: Final answer
    x = 70,499.14

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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.