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Finding the Fourth Proportional to 169,982.40, 254,962.80 and 57,662.40

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Solution

The fourth proportional to 169,982.40, 254,962.80 and 57,662.40 is: 86,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,982.40 : 254,962.80 = 57,662.40 : x
  2. Step 2: Convert to fraction form
    169,982.40/254,962.80 = 57,662.40/x
  3. Step 3: Cross multiply
    169,982.40x = 254,962.80 × 57,662.40
  4. Step 4: Simplify right side
    169,982.40x = 14,701,766,958.72
  5. Step 5: Solve for x
    x = 14,701,766,958.72/169,982.40
  6. Step 6: Final answer
    x = 86,489.94

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1.5x scale

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.