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Finding the Fourth Proportional to 368,016.64, 552,024.98 and 118,698.64

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Solution

The fourth proportional to 368,016.64, 552,024.98 and 118,698.64 is: 178,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,016.64 : 552,024.98 = 118,698.64 : x
  2. Step 2: Convert to fraction form
    368,016.64/552,024.98 = 118,698.64/x
  3. Step 3: Cross multiply
    368,016.64x = 552,024.98 × 118,698.64
  4. Step 4: Simplify right side
    368,016.64x = 65,524,614,372.03
  5. Step 5: Solve for x
    x = 65,524,614,372.03/368,016.64
  6. Step 6: Final answer
    x = 178,047.97

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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.