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Finding the Fourth Proportional to 248,126.63, 342,492.78 and 140,768.01

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Solution

The fourth proportional to 248,126.63, 342,492.78 and 140,768.01 is: 194,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,126.63 : 342,492.78 = 140,768.01 : x
  2. Step 2: Convert to fraction form
    248,126.63/342,492.78 = 140,768.01/x
  3. Step 3: Cross multiply
    248,126.63x = 342,492.78 × 140,768.01
  4. Step 4: Simplify right side
    248,126.63x = 48,212,027,079.97
  5. Step 5: Solve for x
    x = 48,212,027,079.97/248,126.63
  6. Step 6: Final answer
    x = 194,304.13

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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.