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Finding the Fourth Proportional to 379,596.06, 569,383.02 and 99,113.31

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Solution

The fourth proportional to 379,596.06, 569,383.02 and 99,113.31 is: 148,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,596.06 : 569,383.02 = 99,113.31 : x
  2. Step 2: Convert to fraction form
    379,596.06/569,383.02 = 99,113.31/x
  3. Step 3: Cross multiply
    379,596.06x = 569,383.02 × 99,113.31
  4. Step 4: Simplify right side
    379,596.06x = 56,433,435,770.00
  5. Step 5: Solve for x
    x = 56,433,435,770.00/379,596.06
  6. Step 6: Final answer
    x = 148,667.07

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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.