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Finding the Fourth Proportional to 301,095.51, 451,643.46 and 76,472.79

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Solution

The fourth proportional to 301,095.51, 451,643.46 and 76,472.79 is: 114,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,095.51 : 451,643.46 = 76,472.79 : x
  2. Step 2: Convert to fraction form
    301,095.51/451,643.46 = 76,472.79/x
  3. Step 3: Cross multiply
    301,095.51x = 451,643.46 × 76,472.79
  4. Step 4: Simplify right side
    301,095.51x = 34,538,435,471.45
  5. Step 5: Solve for x
    x = 34,538,435,471.45/301,095.51
  6. Step 6: Final answer
    x = 114,709.23

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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.