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Finding the Fourth Proportional to 81,846.88, 112,947.54 and 46,036.88

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Solution

The fourth proportional to 81,846.88, 112,947.54 and 46,036.88 is: 63,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,846.88 : 112,947.54 = 46,036.88 : x
  2. Step 2: Convert to fraction form
    81,846.88/112,947.54 = 46,036.88/x
  3. Step 3: Cross multiply
    81,846.88x = 112,947.54 × 46,036.88
  4. Step 4: Simplify right side
    81,846.88x = 5,199,752,478.60
  5. Step 5: Solve for x
    x = 5,199,752,478.60/81,846.88
  6. Step 6: Final answer
    x = 63,530.25

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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.