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Finding the Fourth Proportional to 248,367.14, 342,737.12 and 140,930.76

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Solution

The fourth proportional to 248,367.14, 342,737.12 and 140,930.76 is: 194,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,367.14 : 342,737.12 = 140,930.76 : x
  2. Step 2: Convert to fraction form
    248,367.14/342,737.12 = 140,930.76/x
  3. Step 3: Cross multiply
    248,367.14x = 342,737.12 × 140,930.76
  4. Step 4: Simplify right side
    248,367.14x = 48,302,202,097.16
  5. Step 5: Solve for x
    x = 48,302,202,097.16/248,367.14
  6. Step 6: Final answer
    x = 194,479.04

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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.