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Finding the Fourth Proportional to 178,554.03, 246,408.32 and 97,980.85

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Solution

The fourth proportional to 178,554.03, 246,408.32 and 97,980.85 is: 135,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,554.03 : 246,408.32 = 97,980.85 : x
  2. Step 2: Convert to fraction form
    178,554.03/246,408.32 = 97,980.85/x
  3. Step 3: Cross multiply
    178,554.03x = 246,408.32 × 97,980.85
  4. Step 4: Simplify right side
    178,554.03x = 24,143,296,269.60
  5. Step 5: Solve for x
    x = 24,143,296,269.60/178,554.03
  6. Step 6: Final answer
    x = 135,215.64

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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.