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Finding the Fourth Proportional to 248,458.39, 342,874.22 and 141,030.21

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Solution

The fourth proportional to 248,458.39, 342,874.22 and 141,030.21 is: 194,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,458.39 : 342,874.22 = 141,030.21 : x
  2. Step 2: Convert to fraction form
    248,458.39/342,874.22 = 141,030.21/x
  3. Step 3: Cross multiply
    248,458.39x = 342,874.22 × 141,030.21
  4. Step 4: Simplify right side
    248,458.39x = 48,355,623,830.81
  5. Step 5: Solve for x
    x = 48,355,623,830.81/248,458.39
  6. Step 6: Final answer
    x = 194,622.63

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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.