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Finding the Fourth Proportional to 183,216.70, 274,358.48 and 120,697.66

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Solution

The fourth proportional to 183,216.70, 274,358.48 and 120,697.66 is: 180,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,216.70 : 274,358.48 = 120,697.66 : x
  2. Step 2: Convert to fraction form
    183,216.70/274,358.48 = 120,697.66/x
  3. Step 3: Cross multiply
    183,216.70x = 274,358.48 × 120,697.66
  4. Step 4: Simplify right side
    183,216.70x = 33,114,426,537.16
  5. Step 5: Solve for x
    x = 33,114,426,537.16/183,216.70
  6. Step 6: Final answer
    x = 180,739.13

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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.