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Finding the Fourth Proportional to 248,321.67, 371,813.23 and 157,875.22

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Solution

The fourth proportional to 248,321.67, 371,813.23 and 157,875.22 is: 236,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,321.67 : 371,813.23 = 157,875.22 : x
  2. Step 2: Convert to fraction form
    248,321.67/371,813.23 = 157,875.22/x
  3. Step 3: Cross multiply
    248,321.67x = 371,813.23 × 157,875.22
  4. Step 4: Simplify right side
    248,321.67x = 58,700,095,485.16
  5. Step 5: Solve for x
    x = 58,700,095,485.16/248,321.67
  6. Step 6: Final answer
    x = 236,387.33

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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.