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Finding the Fourth Proportional to 97,352.96, 134,348.63 and 54,912.33

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Solution

The fourth proportional to 97,352.96, 134,348.63 and 54,912.33 is: 75,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,352.96 : 134,348.63 = 54,912.33 : x
  2. Step 2: Convert to fraction form
    97,352.96/134,348.63 = 54,912.33/x
  3. Step 3: Cross multiply
    97,352.96x = 134,348.63 × 54,912.33
  4. Step 4: Simplify right side
    97,352.96x = 7,377,396,031.05
  5. Step 5: Solve for x
    x = 7,377,396,031.05/97,352.96
  6. Step 6: Final answer
    x = 75,779.89

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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.