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Finding the Fourth Proportional to 243,556.70, 336,211.89 and 148,094.06

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Solution

The fourth proportional to 243,556.70, 336,211.89 and 148,094.06 is: 204,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,556.70 : 336,211.89 = 148,094.06 : x
  2. Step 2: Convert to fraction form
    243,556.70/336,211.89 = 148,094.06/x
  3. Step 3: Cross multiply
    243,556.70x = 336,211.89 × 148,094.06
  4. Step 4: Simplify right side
    243,556.70x = 49,790,983,810.37
  5. Step 5: Solve for x
    x = 49,790,983,810.37/243,556.70
  6. Step 6: Final answer
    x = 204,432.82

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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.