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Finding the Fourth Proportional to 256,060.69, 353,361.81 and 141,339.32

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Solution

The fourth proportional to 256,060.69, 353,361.81 and 141,339.32 is: 195,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,060.69 : 353,361.81 = 141,339.32 : x
  2. Step 2: Convert to fraction form
    256,060.69/353,361.81 = 141,339.32/x
  3. Step 3: Cross multiply
    256,060.69x = 353,361.81 × 141,339.32
  4. Step 4: Simplify right side
    256,060.69x = 49,943,918,226.49
  5. Step 5: Solve for x
    x = 49,943,918,226.49/256,060.69
  6. Step 6: Final answer
    x = 195,047.19

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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.