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Finding the Fourth Proportional to 125,350.92, 188,110.30 and 46,465.80

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Solution

The fourth proportional to 125,350.92, 188,110.30 and 46,465.80 is: 69,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,350.92 : 188,110.30 = 46,465.80 : x
  2. Step 2: Convert to fraction form
    125,350.92/188,110.30 = 46,465.80/x
  3. Step 3: Cross multiply
    125,350.92x = 188,110.30 × 46,465.80
  4. Step 4: Simplify right side
    125,350.92x = 8,740,695,577.74
  5. Step 5: Solve for x
    x = 8,740,695,577.74/125,350.92
  6. Step 6: Final answer
    x = 69,729.81

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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.