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Finding the Fourth Proportional to 254,872.50, 351,724.47 and 141,695.25

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Solution

The fourth proportional to 254,872.50, 351,724.47 and 141,695.25 is: 195,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,872.50 : 351,724.47 = 141,695.25 : x
  2. Step 2: Convert to fraction form
    254,872.50/351,724.47 = 141,695.25/x
  3. Step 3: Cross multiply
    254,872.50x = 351,724.47 × 141,695.25
  4. Step 4: Simplify right side
    254,872.50x = 49,837,686,707.77
  5. Step 5: Solve for x
    x = 49,837,686,707.77/254,872.50
  6. Step 6: Final answer
    x = 195,539.68

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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.