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Finding the Fourth Proportional to 253,953.19, 350,334.63 and 151,958.11

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Solution

The fourth proportional to 253,953.19, 350,334.63 and 151,958.11 is: 209,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,953.19 : 350,334.63 = 151,958.11 : x
  2. Step 2: Convert to fraction form
    253,953.19/350,334.63 = 151,958.11/x
  3. Step 3: Cross multiply
    253,953.19x = 350,334.63 × 151,958.11
  4. Step 4: Simplify right side
    253,953.19x = 53,236,188,242.35
  5. Step 5: Solve for x
    x = 53,236,188,242.35/253,953.19
  6. Step 6: Final answer
    x = 209,629.93

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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.