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Finding the Fourth Proportional to 267,140.16, 368,647.20 and 146,281.68

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Solution

The fourth proportional to 267,140.16, 368,647.20 and 146,281.68 is: 201,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,140.16 : 368,647.20 = 146,281.68 : x
  2. Step 2: Convert to fraction form
    267,140.16/368,647.20 = 146,281.68/x
  3. Step 3: Cross multiply
    267,140.16x = 368,647.20 × 146,281.68
  4. Step 4: Simplify right side
    267,140.16x = 53,926,331,743.30
  5. Step 5: Solve for x
    x = 53,926,331,743.30/267,140.16
  6. Step 6: Final answer
    x = 201,865.31

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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.