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Finding the Fourth Proportional to 362,570.76, 543,773.88 and 137,851.20

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Solution

The fourth proportional to 362,570.76, 543,773.88 and 137,851.20 is: 206,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,570.76 : 543,773.88 = 137,851.20 : x
  2. Step 2: Convert to fraction form
    362,570.76/543,773.88 = 137,851.20/x
  3. Step 3: Cross multiply
    362,570.76x = 543,773.88 × 137,851.20
  4. Step 4: Simplify right side
    362,570.76x = 74,959,881,886.66
  5. Step 5: Solve for x
    x = 74,959,881,886.66/362,570.76
  6. Step 6: Final answer
    x = 206,745.52

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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.