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Finding the Fourth Proportional to 152,523, 210,481.74 and 92,907

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Solution

The fourth proportional to 152,523, 210,481.74 and 92,907 is: 128,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,523 : 210,481.74 = 92,907 : x
  2. Step 2: Convert to fraction form
    152,523/210,481.74 = 92,907/x
  3. Step 3: Cross multiply
    152,523x = 210,481.74 × 92,907
  4. Step 4: Simplify right side
    152,523x = 19,555,227,018.18
  5. Step 5: Solve for x
    x = 19,555,227,018.18/152,523
  6. Step 6: Final answer
    x = 128,211.66

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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.