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Finding the Fourth Proportional to 81,825.59, 112,918.23 and 46,015.59

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Solution

The fourth proportional to 81,825.59, 112,918.23 and 46,015.59 is: 63,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,825.59 : 112,918.23 = 46,015.59 : x
  2. Step 2: Convert to fraction form
    81,825.59/112,918.23 = 46,015.59/x
  3. Step 3: Cross multiply
    81,825.59x = 112,918.23 × 46,015.59
  4. Step 4: Simplify right side
    81,825.59x = 5,195,998,807.95
  5. Step 5: Solve for x
    x = 5,195,998,807.95/81,825.59
  6. Step 6: Final answer
    x = 63,500.90

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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.