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Finding the Fourth Proportional to 368,150.02, 552,231.93 and 115,424.90

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Solution

The fourth proportional to 368,150.02, 552,231.93 and 115,424.90 is: 173,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,150.02 : 552,231.93 = 115,424.90 : x
  2. Step 2: Convert to fraction form
    368,150.02/552,231.93 = 115,424.90/x
  3. Step 3: Cross multiply
    368,150.02x = 552,231.93 × 115,424.90
  4. Step 4: Simplify right side
    368,150.02x = 63,741,312,535.90
  5. Step 5: Solve for x
    x = 63,741,312,535.90/368,150.02
  6. Step 6: Final answer
    x = 173,139.51

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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.