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Finding the Fourth Proportional to 217,040.60, 325,560.90 and 112,064.60

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Solution

The fourth proportional to 217,040.60, 325,560.90 and 112,064.60 is: 168,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,040.60 : 325,560.90 = 112,064.60 : x
  2. Step 2: Convert to fraction form
    217,040.60/325,560.90 = 112,064.60/x
  3. Step 3: Cross multiply
    217,040.60x = 325,560.90 × 112,064.60
  4. Step 4: Simplify right side
    217,040.60x = 36,483,852,034.14
  5. Step 5: Solve for x
    x = 36,483,852,034.14/217,040.60
  6. Step 6: Final answer
    x = 168,096.90

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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.