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Finding the Fourth Proportional to 253,501.94, 350,069.81 and 163,015.12

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Solution

The fourth proportional to 253,501.94, 350,069.81 and 163,015.12 is: 225,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,501.94 : 350,069.81 = 163,015.12 : x
  2. Step 2: Convert to fraction form
    253,501.94/350,069.81 = 163,015.12/x
  3. Step 3: Cross multiply
    253,501.94x = 350,069.81 × 163,015.12
  4. Step 4: Simplify right side
    253,501.94x = 57,066,673,100.38
  5. Step 5: Solve for x
    x = 57,066,673,100.38/253,501.94
  6. Step 6: Final answer
    x = 225,113.36

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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.