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Finding the Fourth Proportional to 92,804.06, 128,069.59 and 50,362.59

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Solution

The fourth proportional to 92,804.06, 128,069.59 and 50,362.59 is: 69,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,804.06 : 128,069.59 = 50,362.59 : x
  2. Step 2: Convert to fraction form
    92,804.06/128,069.59 = 50,362.59/x
  3. Step 3: Cross multiply
    92,804.06x = 128,069.59 × 50,362.59
  4. Step 4: Simplify right side
    92,804.06x = 6,449,915,835.33
  5. Step 5: Solve for x
    x = 6,449,915,835.33/92,804.06
  6. Step 6: Final answer
    x = 69,500.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.