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Finding the Fourth Proportional to 245,407.44, 368,119.38 and 67,899.60

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Solution

The fourth proportional to 245,407.44, 368,119.38 and 67,899.60 is: 101,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,407.44 : 368,119.38 = 67,899.60 : x
  2. Step 2: Convert to fraction form
    245,407.44/368,119.38 = 67,899.60/x
  3. Step 3: Cross multiply
    245,407.44x = 368,119.38 × 67,899.60
  4. Step 4: Simplify right side
    245,407.44x = 24,995,158,654.25
  5. Step 5: Solve for x
    x = 24,995,158,654.25/245,407.44
  6. Step 6: Final answer
    x = 101,851.67

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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.