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Finding the Fourth Proportional to 318,094.48, 477,040.48 and 104,822.61

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Solution

The fourth proportional to 318,094.48, 477,040.48 and 104,822.61 is: 157,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,094.48 : 477,040.48 = 104,822.61 : x
  2. Step 2: Convert to fraction form
    318,094.48/477,040.48 = 104,822.61/x
  3. Step 3: Cross multiply
    318,094.48x = 477,040.48 × 104,822.61
  4. Step 4: Simplify right side
    318,094.48x = 50,004,625,990.89
  5. Step 5: Solve for x
    x = 50,004,625,990.89/318,094.48
  6. Step 6: Final answer
    x = 157,200.55

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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.