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Finding the Fourth Proportional to 81,850.29, 112,952.28 and 46,040.28

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Solution

The fourth proportional to 81,850.29, 112,952.28 and 46,040.28 is: 63,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,850.29 : 112,952.28 = 46,040.28 : x
  2. Step 2: Convert to fraction form
    81,850.29/112,952.28 = 46,040.28/x
  3. Step 3: Cross multiply
    81,850.29x = 112,952.28 × 46,040.28
  4. Step 4: Simplify right side
    81,850.29x = 5,200,354,597.84
  5. Step 5: Solve for x
    x = 5,200,354,597.84/81,850.29
  6. Step 6: Final answer
    x = 63,534.96

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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.