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Finding the Fourth Proportional to 183,806.80, 275,345.70 and 161,888.20

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Solution

The fourth proportional to 183,806.80, 275,345.70 and 161,888.20 is: 242,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,806.80 : 275,345.70 = 161,888.20 : x
  2. Step 2: Convert to fraction form
    183,806.80/275,345.70 = 161,888.20/x
  3. Step 3: Cross multiply
    183,806.80x = 275,345.70 × 161,888.20
  4. Step 4: Simplify right side
    183,806.80x = 44,575,219,750.74
  5. Step 5: Solve for x
    x = 44,575,219,750.74/183,806.80
  6. Step 6: Final answer
    x = 242,511.27

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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.