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Finding the Fourth Proportional to 97,237.80, 145,467.90 and 84,234.60

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Solution

The fourth proportional to 97,237.80, 145,467.90 and 84,234.60 is: 126,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,237.80 : 145,467.90 = 84,234.60 : x
  2. Step 2: Convert to fraction form
    97,237.80/145,467.90 = 84,234.60/x
  3. Step 3: Cross multiply
    97,237.80x = 145,467.90 × 84,234.60
  4. Step 4: Simplify right side
    97,237.80x = 12,253,430,369.34
  5. Step 5: Solve for x
    x = 12,253,430,369.34/97,237.80
  6. Step 6: Final answer
    x = 126,015.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.