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Finding the Fourth Proportional to 365,012.64, 547,534.04 and 125,291.21

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Solution

The fourth proportional to 365,012.64, 547,534.04 and 125,291.21 is: 187,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,012.64 : 547,534.04 = 125,291.21 : x
  2. Step 2: Convert to fraction form
    365,012.64/547,534.04 = 125,291.21/x
  3. Step 3: Cross multiply
    365,012.64x = 547,534.04 × 125,291.21
  4. Step 4: Simplify right side
    365,012.64x = 68,601,199,023.66
  5. Step 5: Solve for x
    x = 68,601,199,023.66/365,012.64
  6. Step 6: Final answer
    x = 187,941.98

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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.