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Finding the Fourth Proportional to 245,012.54, 367,026.73 and 111,709.42

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Solution

The fourth proportional to 245,012.54, 367,026.73 and 111,709.42 is: 167,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,012.54 : 367,026.73 = 111,709.42 : x
  2. Step 2: Convert to fraction form
    245,012.54/367,026.73 = 111,709.42/x
  3. Step 3: Cross multiply
    245,012.54x = 367,026.73 × 111,709.42
  4. Step 4: Simplify right side
    245,012.54x = 41,000,341,935.96
  5. Step 5: Solve for x
    x = 41,000,341,935.96/245,012.54
  6. Step 6: Final answer
    x = 167,339.77

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1.5x scale

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.