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Finding the Fourth Proportional to 267,000.31, 368,459.81 and 146,140.54

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Solution

The fourth proportional to 267,000.31, 368,459.81 and 146,140.54 is: 201,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,000.31 : 368,459.81 = 146,140.54 : x
  2. Step 2: Convert to fraction form
    267,000.31/368,459.81 = 146,140.54/x
  3. Step 3: Cross multiply
    267,000.31x = 368,459.81 × 146,140.54
  4. Step 4: Simplify right side
    267,000.31x = 53,846,913,949.85
  5. Step 5: Solve for x
    x = 53,846,913,949.85/267,000.31
  6. Step 6: Final answer
    x = 201,673.60

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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.