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Finding the Fourth Proportional to 100,722.92, 150,881.63 and 46,611.32

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Solution

The fourth proportional to 100,722.92, 150,881.63 and 46,611.32 is: 69,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,722.92 : 150,881.63 = 46,611.32 : x
  2. Step 2: Convert to fraction form
    100,722.92/150,881.63 = 46,611.32/x
  3. Step 3: Cross multiply
    100,722.92x = 150,881.63 × 46,611.32
  4. Step 4: Simplify right side
    100,722.92x = 7,032,790,950.59
  5. Step 5: Solve for x
    x = 7,032,790,950.59/100,722.92
  6. Step 6: Final answer
    x = 69,823.15

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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.