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Finding the Fourth Proportional to 272,211.54, 375,672.97 and 163,319.98

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Solution

The fourth proportional to 272,211.54, 375,672.97 and 163,319.98 is: 225,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,211.54 : 375,672.97 = 163,319.98 : x
  2. Step 2: Convert to fraction form
    272,211.54/375,672.97 = 163,319.98/x
  3. Step 3: Cross multiply
    272,211.54x = 375,672.97 × 163,319.98
  4. Step 4: Simplify right side
    272,211.54x = 61,354,900,599.46
  5. Step 5: Solve for x
    x = 61,354,900,599.46/272,211.54
  6. Step 6: Final answer
    x = 225,394.19

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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.