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Finding the Fourth Proportional to 76,332.91, 105,336.91 and 46,112.97

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Solution

The fourth proportional to 76,332.91, 105,336.91 and 46,112.97 is: 63,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,332.91 : 105,336.91 = 46,112.97 : x
  2. Step 2: Convert to fraction form
    76,332.91/105,336.91 = 46,112.97/x
  3. Step 3: Cross multiply
    76,332.91x = 105,336.91 × 46,112.97
  4. Step 4: Simplify right side
    76,332.91x = 4,857,397,770.72
  5. Step 5: Solve for x
    x = 4,857,397,770.72/76,332.91
  6. Step 6: Final answer
    x = 63,634.38

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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.