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Finding the Fourth Proportional to 248,357.92, 342,633.36 and 151,512.16

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Solution

The fourth proportional to 248,357.92, 342,633.36 and 151,512.16 is: 209,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,357.92 : 342,633.36 = 151,512.16 : x
  2. Step 2: Convert to fraction form
    248,357.92/342,633.36 = 151,512.16/x
  3. Step 3: Cross multiply
    248,357.92x = 342,633.36 × 151,512.16
  4. Step 4: Simplify right side
    248,357.92x = 51,913,120,461.66
  5. Step 5: Solve for x
    x = 51,913,120,461.66/248,357.92
  6. Step 6: Final answer
    x = 209,025.43

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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.