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Finding the Fourth Proportional to 248,117.75, 342,402.50 and 134,942.93

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Solution

The fourth proportional to 248,117.75, 342,402.50 and 134,942.93 is: 186,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,117.75 : 342,402.50 = 134,942.93 : x
  2. Step 2: Convert to fraction form
    248,117.75/342,402.50 = 134,942.93/x
  3. Step 3: Cross multiply
    248,117.75x = 342,402.50 × 134,942.93
  4. Step 4: Simplify right side
    248,117.75x = 46,204,796,589.33
  5. Step 5: Solve for x
    x = 46,204,796,589.33/248,117.75
  6. Step 6: Final answer
    x = 186,221.25

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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.