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Finding the Fourth Proportional to 267,142.99, 368,657.92 and 144,636.67

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Solution

The fourth proportional to 267,142.99, 368,657.92 and 144,636.67 is: 199,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,142.99 : 368,657.92 = 144,636.67 : x
  2. Step 2: Convert to fraction form
    267,142.99/368,657.92 = 144,636.67/x
  3. Step 3: Cross multiply
    267,142.99x = 368,657.92 × 144,636.67
  4. Step 4: Simplify right side
    267,142.99x = 53,321,451,351.45
  5. Step 5: Solve for x
    x = 53,321,451,351.45/267,142.99
  6. Step 6: Final answer
    x = 199,598.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.