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Finding the Fourth Proportional to 248,512.32, 342,950.92 and 135,334.96

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Solution

The fourth proportional to 248,512.32, 342,950.92 and 135,334.96 is: 186,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,512.32 : 342,950.92 = 135,334.96 : x
  2. Step 2: Convert to fraction form
    248,512.32/342,950.92 = 135,334.96/x
  3. Step 3: Cross multiply
    248,512.32x = 342,950.92 × 135,334.96
  4. Step 4: Simplify right side
    248,512.32x = 46,413,249,040.16
  5. Step 5: Solve for x
    x = 46,413,249,040.16/248,512.32
  6. Step 6: Final answer
    x = 186,764.38

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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.