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Finding the Fourth Proportional to 178,949.34, 246,954.79 and 98,378.89

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Solution

The fourth proportional to 178,949.34, 246,954.79 and 98,378.89 is: 135,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,949.34 : 246,954.79 = 98,378.89 : x
  2. Step 2: Convert to fraction form
    178,949.34/246,954.79 = 98,378.89/x
  3. Step 3: Cross multiply
    178,949.34x = 246,954.79 × 98,378.89
  4. Step 4: Simplify right side
    178,949.34x = 24,295,136,393.71
  5. Step 5: Solve for x
    x = 24,295,136,393.71/178,949.34
  6. Step 6: Final answer
    x = 135,765.45

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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.