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Finding the Fourth Proportional to 340,701.21, 511,101.27 and 104,013.18

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Solution

The fourth proportional to 340,701.21, 511,101.27 and 104,013.18 is: 156,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,701.21 : 511,101.27 = 104,013.18 : x
  2. Step 2: Convert to fraction form
    340,701.21/511,101.27 = 104,013.18/x
  3. Step 3: Cross multiply
    340,701.21x = 511,101.27 × 104,013.18
  4. Step 4: Simplify right side
    340,701.21x = 53,161,268,394.74
  5. Step 5: Solve for x
    x = 53,161,268,394.74/340,701.21
  6. Step 6: Final answer
    x = 156,034.87

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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.