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Finding the Fourth Proportional to 115,963.74, 174,011.22 and 49,396.92

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Solution

The fourth proportional to 115,963.74, 174,011.22 and 49,396.92 is: 74,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,963.74 : 174,011.22 = 49,396.92 : x
  2. Step 2: Convert to fraction form
    115,963.74/174,011.22 = 49,396.92/x
  3. Step 3: Cross multiply
    115,963.74x = 174,011.22 × 49,396.92
  4. Step 4: Simplify right side
    115,963.74x = 8,595,618,313.44
  5. Step 5: Solve for x
    x = 8,595,618,313.44/115,963.74
  6. Step 6: Final answer
    x = 74,123.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.