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Finding the Fourth Proportional to 88,238.25, 121,768.79 and 48,494.25

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Solution

The fourth proportional to 88,238.25, 121,768.79 and 48,494.25 is: 66,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,238.25 : 121,768.79 = 48,494.25 : x
  2. Step 2: Convert to fraction form
    88,238.25/121,768.79 = 48,494.25/x
  3. Step 3: Cross multiply
    88,238.25x = 121,768.79 × 48,494.25
  4. Step 4: Simplify right side
    88,238.25x = 5,905,085,901.99
  5. Step 5: Solve for x
    x = 5,905,085,901.99/88,238.25
  6. Step 6: Final answer
    x = 66,922.07

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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.