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Finding the Fourth Proportional to 267,142.95, 368,650.68 and 146,289.33

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Solution

The fourth proportional to 267,142.95, 368,650.68 and 146,289.33 is: 201,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,142.95 : 368,650.68 = 146,289.33 : x
  2. Step 2: Convert to fraction form
    267,142.95/368,650.68 = 146,289.33/x
  3. Step 3: Cross multiply
    267,142.95x = 368,650.68 × 146,289.33
  4. Step 4: Simplify right side
    267,142.95x = 53,929,660,981.24
  5. Step 5: Solve for x
    x = 53,929,660,981.24/267,142.95
  6. Step 6: Final answer
    x = 201,875.67

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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.