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Finding the Fourth Proportional to 88,911.68, 122,696.91 and 50,673.51

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Solution

The fourth proportional to 88,911.68, 122,696.91 and 50,673.51 is: 69,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,911.68 : 122,696.91 = 50,673.51 : x
  2. Step 2: Convert to fraction form
    88,911.68/122,696.91 = 50,673.51/x
  3. Step 3: Cross multiply
    88,911.68x = 122,696.91 × 50,673.51
  4. Step 4: Simplify right side
    88,911.68x = 6,217,483,095.85
  5. Step 5: Solve for x
    x = 6,217,483,095.85/88,911.68
  6. Step 6: Final answer
    x = 69,928.76

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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.