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Finding the Fourth Proportional to 267,030.30, 400,415.85 and 148,575.90

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Solution

The fourth proportional to 267,030.30, 400,415.85 and 148,575.90 is: 222,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,030.30 : 400,415.85 = 148,575.90 : x
  2. Step 2: Convert to fraction form
    267,030.30/400,415.85 = 148,575.90/x
  3. Step 3: Cross multiply
    267,030.30x = 400,415.85 × 148,575.90
  4. Step 4: Simplify right side
    267,030.30x = 59,492,145,288.02
  5. Step 5: Solve for x
    x = 59,492,145,288.02/267,030.30
  6. Step 6: Final answer
    x = 222,791.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.