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Finding the Fourth Proportional to 272,194.63, 375,638.21 and 151,370.17

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Solution

The fourth proportional to 272,194.63, 375,638.21 and 151,370.17 is: 208,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,194.63 : 375,638.21 = 151,370.17 : x
  2. Step 2: Convert to fraction form
    272,194.63/375,638.21 = 151,370.17/x
  3. Step 3: Cross multiply
    272,194.63x = 375,638.21 × 151,370.17
  4. Step 4: Simplify right side
    272,194.63x = 56,860,418,577.89
  5. Step 5: Solve for x
    x = 56,860,418,577.89/272,194.63
  6. Step 6: Final answer
    x = 208,896.18

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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.