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Finding the Fourth Proportional to 267,115.51, 368,607.90 and 146,254.60

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Solution

The fourth proportional to 267,115.51, 368,607.90 and 146,254.60 is: 201,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,115.51 : 368,607.90 = 146,254.60 : x
  2. Step 2: Convert to fraction form
    267,115.51/368,607.90 = 146,254.60/x
  3. Step 3: Cross multiply
    267,115.51x = 368,607.90 × 146,254.60
  4. Step 4: Simplify right side
    267,115.51x = 53,910,600,971.34
  5. Step 5: Solve for x
    x = 53,910,600,971.34/267,115.51
  6. Step 6: Final answer
    x = 201,825.05

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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.