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Finding the Fourth Proportional to 217,037.60, 325,556.40 and 161,050.40

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Solution

The fourth proportional to 217,037.60, 325,556.40 and 161,050.40 is: 241,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,037.60 : 325,556.40 = 161,050.40 : x
  2. Step 2: Convert to fraction form
    217,037.60/325,556.40 = 161,050.40/x
  3. Step 3: Cross multiply
    217,037.60x = 325,556.40 × 161,050.40
  4. Step 4: Simplify right side
    217,037.60x = 52,430,988,442.56
  5. Step 5: Solve for x
    x = 52,430,988,442.56/217,037.60
  6. Step 6: Final answer
    x = 241,575.60

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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.