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Finding the Fourth Proportional to 178,554.10, 246,408.42 and 97,980.92

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Solution

The fourth proportional to 178,554.10, 246,408.42 and 97,980.92 is: 135,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,554.10 : 246,408.42 = 97,980.92 : x
  2. Step 2: Convert to fraction form
    178,554.10/246,408.42 = 97,980.92/x
  3. Step 3: Cross multiply
    178,554.10x = 246,408.42 × 97,980.92
  4. Step 4: Simplify right side
    178,554.10x = 24,143,322,364.81
  5. Step 5: Solve for x
    x = 24,143,322,364.81/178,554.10
  6. Step 6: Final answer
    x = 135,215.73

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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.