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Finding the Fourth Proportional to 114,062.99, 171,242.38 and 76,353.51

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Solution

The fourth proportional to 114,062.99, 171,242.38 and 76,353.51 is: 114,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,062.99 : 171,242.38 = 76,353.51 : x
  2. Step 2: Convert to fraction form
    114,062.99/171,242.38 = 76,353.51/x
  3. Step 3: Cross multiply
    114,062.99x = 171,242.38 × 76,353.51
  4. Step 4: Simplify right side
    114,062.99x = 13,074,956,773.75
  5. Step 5: Solve for x
    x = 13,074,956,773.75/114,062.99
  6. Step 6: Final answer
    x = 114,629.27

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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.