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Finding the Fourth Proportional to 254,699.88, 351,471.52 and 152,674.29

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Solution

The fourth proportional to 254,699.88, 351,471.52 and 152,674.29 is: 210,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,699.88 : 351,471.52 = 152,674.29 : x
  2. Step 2: Convert to fraction form
    254,699.88/351,471.52 = 152,674.29/x
  3. Step 3: Cross multiply
    254,699.88x = 351,471.52 × 152,674.29
  4. Step 4: Simplify right side
    254,699.88x = 53,660,664,007.85
  5. Step 5: Solve for x
    x = 53,660,664,007.85/254,699.88
  6. Step 6: Final answer
    x = 210,681.94

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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.