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Finding the Fourth Proportional to 81,842.67, 112,941.78 and 46,032.67

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Solution

The fourth proportional to 81,842.67, 112,941.78 and 46,032.67 is: 63,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,842.67 : 112,941.78 = 46,032.67 : x
  2. Step 2: Convert to fraction form
    81,842.67/112,941.78 = 46,032.67/x
  3. Step 3: Cross multiply
    81,842.67x = 112,941.78 × 46,032.67
  4. Step 4: Simplify right side
    81,842.67x = 5,199,011,687.95
  5. Step 5: Solve for x
    x = 5,199,011,687.95/81,842.67
  6. Step 6: Final answer
    x = 63,524.46

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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.