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Finding the Fourth Proportional to 88,889.02, 122,691.04 and 50,668.69

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Solution

The fourth proportional to 88,889.02, 122,691.04 and 50,668.69 is: 69,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,889.02 : 122,691.04 = 50,668.69 : x
  2. Step 2: Convert to fraction form
    88,889.02/122,691.04 = 50,668.69/x
  3. Step 3: Cross multiply
    88,889.02x = 122,691.04 × 50,668.69
  4. Step 4: Simplify right side
    88,889.02x = 6,216,594,281.94
  5. Step 5: Solve for x
    x = 6,216,594,281.94/88,889.02
  6. Step 6: Final answer
    x = 69,936.58

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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.