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Finding the Fourth Proportional to 170,974.40, 256,461.60 and 168,641.60

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Solution

The fourth proportional to 170,974.40, 256,461.60 and 168,641.60 is: 252,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,974.40 : 256,461.60 = 168,641.60 : x
  2. Step 2: Convert to fraction form
    170,974.40/256,461.60 = 168,641.60/x
  3. Step 3: Cross multiply
    170,974.40x = 256,461.60 × 168,641.60
  4. Step 4: Simplify right side
    170,974.40x = 43,250,094,562.56
  5. Step 5: Solve for x
    x = 43,250,094,562.56/170,974.40
  6. Step 6: Final answer
    x = 252,962.40

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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.