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Finding the Fourth Proportional to 178,850, 246,813 and 99,362

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Solution

The fourth proportional to 178,850, 246,813 and 99,362 is: 137,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,850 : 246,813 = 99,362 : x
  2. Step 2: Convert to fraction form
    178,850/246,813 = 99,362/x
  3. Step 3: Cross multiply
    178,850x = 246,813 × 99,362
  4. Step 4: Simplify right side
    178,850x = 24,523,833,306
  5. Step 5: Solve for x
    x = 24,523,833,306/178,850
  6. Step 6: Final answer
    x = 137,119.56

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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.