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Finding the Fourth Proportional to 122,662.50, 183,933.77 and 50,601.99

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Solution

The fourth proportional to 122,662.50, 183,933.77 and 50,601.99 is: 75,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,662.50 : 183,933.77 = 50,601.99 : x
  2. Step 2: Convert to fraction form
    122,662.50/183,933.77 = 50,601.99/x
  3. Step 3: Cross multiply
    122,662.50x = 183,933.77 × 50,601.99
  4. Step 4: Simplify right side
    122,662.50x = 9,307,413,870.53
  5. Step 5: Solve for x
    x = 9,307,413,870.53/122,662.50
  6. Step 6: Final answer
    x = 75,878.24

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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.