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Finding the Fourth Proportional to 92,894.94, 128,194.92 and 50,453.51

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Solution

The fourth proportional to 92,894.94, 128,194.92 and 50,453.51 is: 69,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,894.94 : 128,194.92 = 50,453.51 : x
  2. Step 2: Convert to fraction form
    92,894.94/128,194.92 = 50,453.51/x
  3. Step 3: Cross multiply
    92,894.94x = 128,194.92 × 50,453.51
  4. Step 4: Simplify right side
    92,894.94x = 6,467,883,037.19
  5. Step 5: Solve for x
    x = 6,467,883,037.19/92,894.94
  6. Step 6: Final answer
    x = 69,625.78

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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.