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Finding the Fourth Proportional to 94,048.94, 129,785.83 and 53,212.64

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Solution

The fourth proportional to 94,048.94, 129,785.83 and 53,212.64 is: 73,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,048.94 : 129,785.83 = 53,212.64 : x
  2. Step 2: Convert to fraction form
    94,048.94/129,785.83 = 53,212.64/x
  3. Step 3: Cross multiply
    94,048.94x = 129,785.83 × 53,212.64
  4. Step 4: Simplify right side
    94,048.94x = 6,906,245,866.93
  5. Step 5: Solve for x
    x = 6,906,245,866.93/94,048.94
  6. Step 6: Final answer
    x = 73,432.47

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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.