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Finding the Fourth Proportional to 272,611.94, 376,216.97 and 151,761.06

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Solution

The fourth proportional to 272,611.94, 376,216.97 and 151,761.06 is: 209,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,611.94 : 376,216.97 = 151,761.06 : x
  2. Step 2: Convert to fraction form
    272,611.94/376,216.97 = 151,761.06/x
  3. Step 3: Cross multiply
    272,611.94x = 376,216.97 × 151,761.06
  4. Step 4: Simplify right side
    272,611.94x = 57,095,084,024.63
  5. Step 5: Solve for x
    x = 57,095,084,024.63/272,611.94
  6. Step 6: Final answer
    x = 209,437.21

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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.