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Finding the Fourth Proportional to 267,128.58, 368,637.58 and 146,269.90

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Solution

The fourth proportional to 267,128.58, 368,637.58 and 146,269.90 is: 201,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,128.58 : 368,637.58 = 146,269.90 : x
  2. Step 2: Convert to fraction form
    267,128.58/368,637.58 = 146,269.90/x
  3. Step 3: Cross multiply
    267,128.58x = 368,637.58 × 146,269.90
  4. Step 4: Simplify right side
    267,128.58x = 53,920,582,606.48
  5. Step 5: Solve for x
    x = 53,920,582,606.48/267,128.58
  6. Step 6: Final answer
    x = 201,852.54

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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.