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Finding the Fourth Proportional to 80,392.16, 110,947.92 and 46,860.32

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Solution

The fourth proportional to 80,392.16, 110,947.92 and 46,860.32 is: 64,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,392.16 : 110,947.92 = 46,860.32 : x
  2. Step 2: Convert to fraction form
    80,392.16/110,947.92 = 46,860.32/x
  3. Step 3: Cross multiply
    80,392.16x = 110,947.92 × 46,860.32
  4. Step 4: Simplify right side
    80,392.16x = 5,199,055,034.53
  5. Step 5: Solve for x
    x = 5,199,055,034.53/80,392.16
  6. Step 6: Final answer
    x = 64,671.17

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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.