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Finding the Fourth Proportional to 216,406.51, 298,556.34 and 125,746.25

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Solution

The fourth proportional to 216,406.51, 298,556.34 and 125,746.25 is: 173,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,406.51 : 298,556.34 = 125,746.25 : x
  2. Step 2: Convert to fraction form
    216,406.51/298,556.34 = 125,746.25/x
  3. Step 3: Cross multiply
    216,406.51x = 298,556.34 × 125,746.25
  4. Step 4: Simplify right side
    216,406.51x = 37,542,340,168.73
  5. Step 5: Solve for x
    x = 37,542,340,168.73/216,406.51
  6. Step 6: Final answer
    x = 173,480.64

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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.