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Finding the Fourth Proportional to 267,340.48, 368,925.44 and 146,480.64

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Solution

The fourth proportional to 267,340.48, 368,925.44 and 146,480.64 is: 202,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,340.48 : 368,925.44 = 146,480.64 : x
  2. Step 2: Convert to fraction form
    267,340.48/368,925.44 = 146,480.64/x
  3. Step 3: Cross multiply
    267,340.48x = 368,925.44 × 146,480.64
  4. Step 4: Simplify right side
    267,340.48x = 54,040,434,563.48
  5. Step 5: Solve for x
    x = 54,040,434,563.48/267,340.48
  6. Step 6: Final answer
    x = 202,140.86

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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.