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Finding the Fourth Proportional to 368,109.66, 552,176.81 and 101,847.89

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Solution

The fourth proportional to 368,109.66, 552,176.81 and 101,847.89 is: 152,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,109.66 : 552,176.81 = 101,847.89 : x
  2. Step 2: Convert to fraction form
    368,109.66/552,176.81 = 101,847.89/x
  3. Step 3: Cross multiply
    368,109.66x = 552,176.81 × 101,847.89
  4. Step 4: Simplify right side
    368,109.66x = 56,238,039,735.31
  5. Step 5: Solve for x
    x = 56,238,039,735.31/368,109.66
  6. Step 6: Final answer
    x = 152,775.23

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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.