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Finding the Fourth Proportional to 113,452, 170,157.94 and 42,358.68

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Solution

The fourth proportional to 113,452, 170,157.94 and 42,358.68 is: 63,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,452 : 170,157.94 = 42,358.68 : x
  2. Step 2: Convert to fraction form
    113,452/170,157.94 = 42,358.68/x
  3. Step 3: Cross multiply
    113,452x = 170,157.94 × 42,358.68
  4. Step 4: Simplify right side
    113,452x = 7,207,665,729.92
  5. Step 5: Solve for x
    x = 7,207,665,729.92/113,452
  6. Step 6: Final answer
    x = 63,530.53

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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.