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Finding the Fourth Proportional to 183,415.72, 253,020.54 and 119,790.76

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Solution

The fourth proportional to 183,415.72, 253,020.54 and 119,790.76 is: 165,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,415.72 : 253,020.54 = 119,790.76 : x
  2. Step 2: Convert to fraction form
    183,415.72/253,020.54 = 119,790.76/x
  3. Step 3: Cross multiply
    183,415.72x = 253,020.54 × 119,790.76
  4. Step 4: Simplify right side
    183,415.72x = 30,309,522,782.21
  5. Step 5: Solve for x
    x = 30,309,522,782.21/183,415.72
  6. Step 6: Final answer
    x = 165,250.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.