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Finding the Fourth Proportional to 170,943.40, 256,496.10 and 114,810.40

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Solution

The fourth proportional to 170,943.40, 256,496.10 and 114,810.40 is: 172,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,943.40 : 256,496.10 = 114,810.40 : x
  2. Step 2: Convert to fraction form
    170,943.40/256,496.10 = 114,810.40/x
  3. Step 3: Cross multiply
    170,943.40x = 256,496.10 × 114,810.40
  4. Step 4: Simplify right side
    170,943.40x = 29,448,419,839.44
  5. Step 5: Solve for x
    x = 29,448,419,839.44/170,943.40
  6. Step 6: Final answer
    x = 172,270.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.