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Finding the Fourth Proportional to 421,975.56, 633,072.12 and 152,092.98

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Solution

The fourth proportional to 421,975.56, 633,072.12 and 152,092.98 is: 228,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,975.56 : 633,072.12 = 152,092.98 : x
  2. Step 2: Convert to fraction form
    421,975.56/633,072.12 = 152,092.98/x
  3. Step 3: Cross multiply
    421,975.56x = 633,072.12 × 152,092.98
  4. Step 4: Simplify right side
    421,975.56x = 96,285,825,285.72
  5. Step 5: Solve for x
    x = 96,285,825,285.72/421,975.56
  6. Step 6: Final answer
    x = 228,178.68

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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.