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Finding the Fourth Proportional to 77,336.73, 106,733.52 and 43,354.38

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Solution

The fourth proportional to 77,336.73, 106,733.52 and 43,354.38 is: 59,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,336.73 : 106,733.52 = 43,354.38 : x
  2. Step 2: Convert to fraction form
    77,336.73/106,733.52 = 43,354.38/x
  3. Step 3: Cross multiply
    77,336.73x = 106,733.52 × 43,354.38
  4. Step 4: Simplify right side
    77,336.73x = 4,627,365,584.82
  5. Step 5: Solve for x
    x = 4,627,365,584.82/77,336.73
  6. Step 6: Final answer
    x = 59,834.00

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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.