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Finding the Fourth Proportional to 183,007.80, 274,147.20 and 161,089.20

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Solution

The fourth proportional to 183,007.80, 274,147.20 and 161,089.20 is: 241,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,007.80 : 274,147.20 = 161,089.20 : x
  2. Step 2: Convert to fraction form
    183,007.80/274,147.20 = 161,089.20/x
  3. Step 3: Cross multiply
    183,007.80x = 274,147.20 × 161,089.20
  4. Step 4: Simplify right side
    183,007.80x = 44,162,153,130.24
  5. Step 5: Solve for x
    x = 44,162,153,130.24/183,007.80
  6. Step 6: Final answer
    x = 241,312.96

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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.