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Finding the Fourth Proportional to 248,992.35, 343,586.36 and 141,541.40

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Solution

The fourth proportional to 248,992.35, 343,586.36 and 141,541.40 is: 195,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,992.35 : 343,586.36 = 141,541.40 : x
  2. Step 2: Convert to fraction form
    248,992.35/343,586.36 = 141,541.40/x
  3. Step 3: Cross multiply
    248,992.35x = 343,586.36 × 141,541.40
  4. Step 4: Simplify right side
    248,992.35x = 48,631,691,989.67
  5. Step 5: Solve for x
    x = 48,631,691,989.67/248,992.35
  6. Step 6: Final answer
    x = 195,314.00

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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.