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Finding the Fourth Proportional to 97,135.56, 145,683.68 and 33,958.40

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Solution

The fourth proportional to 97,135.56, 145,683.68 and 33,958.40 is: 50,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,135.56 : 145,683.68 = 33,958.40 : x
  2. Step 2: Convert to fraction form
    97,135.56/145,683.68 = 33,958.40/x
  3. Step 3: Cross multiply
    97,135.56x = 145,683.68 × 33,958.40
  4. Step 4: Simplify right side
    97,135.56x = 4,947,184,678.91
  5. Step 5: Solve for x
    x = 4,947,184,678.91/97,135.56
  6. Step 6: Final answer
    x = 50,930.73

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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.