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Finding the Fourth Proportional to 237,955.25, 356,456.90 and 143,133.11

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Solution

The fourth proportional to 237,955.25, 356,456.90 and 143,133.11 is: 214,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,955.25 : 356,456.90 = 143,133.11 : x
  2. Step 2: Convert to fraction form
    237,955.25/356,456.90 = 143,133.11/x
  3. Step 3: Cross multiply
    237,955.25x = 356,456.90 × 143,133.11
  4. Step 4: Simplify right side
    237,955.25x = 51,020,784,590.22
  5. Step 5: Solve for x
    x = 51,020,784,590.22/237,955.25
  6. Step 6: Final answer
    x = 214,413.36

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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.