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Finding the Fourth Proportional to 89,091.77, 122,946.79 and 48,804.65

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Solution

The fourth proportional to 89,091.77, 122,946.79 and 48,804.65 is: 67,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,091.77 : 122,946.79 = 48,804.65 : x
  2. Step 2: Convert to fraction form
    89,091.77/122,946.79 = 48,804.65/x
  3. Step 3: Cross multiply
    89,091.77x = 122,946.79 × 48,804.65
  4. Step 4: Simplify right side
    89,091.77x = 6,000,375,054.57
  5. Step 5: Solve for x
    x = 6,000,375,054.57/89,091.77
  6. Step 6: Final answer
    x = 67,350.50

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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.