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Finding the Fourth Proportional to 270,749.99, 373,662.62 and 156,032.73

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Solution

The fourth proportional to 270,749.99, 373,662.62 and 156,032.73 is: 215,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,749.99 : 373,662.62 = 156,032.73 : x
  2. Step 2: Convert to fraction form
    270,749.99/373,662.62 = 156,032.73/x
  3. Step 3: Cross multiply
    270,749.99x = 373,662.62 × 156,032.73
  4. Step 4: Simplify right side
    270,749.99x = 58,303,598,502.51
  5. Step 5: Solve for x
    x = 58,303,598,502.51/270,749.99
  6. Step 6: Final answer
    x = 215,341.09

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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.