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Finding the Fourth Proportional to 221,374.98, 332,288.46 and 162,034.38

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Solution

The fourth proportional to 221,374.98, 332,288.46 and 162,034.38 is: 243,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,374.98 : 332,288.46 = 162,034.38 : x
  2. Step 2: Convert to fraction form
    221,374.98/332,288.46 = 162,034.38/x
  3. Step 3: Cross multiply
    221,374.98x = 332,288.46 × 162,034.38
  4. Step 4: Simplify right side
    221,374.98x = 53,842,154,597.25
  5. Step 5: Solve for x
    x = 53,842,154,597.25/221,374.98
  6. Step 6: Final answer
    x = 243,216.98

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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.