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Finding the Fourth Proportional to 170,701.60, 256,052.40 and 108,416.80

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Solution

The fourth proportional to 170,701.60, 256,052.40 and 108,416.80 is: 162,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,701.60 : 256,052.40 = 108,416.80 : x
  2. Step 2: Convert to fraction form
    170,701.60/256,052.40 = 108,416.80/x
  3. Step 3: Cross multiply
    170,701.60x = 256,052.40 × 108,416.80
  4. Step 4: Simplify right side
    170,701.60x = 27,760,381,840.32
  5. Step 5: Solve for x
    x = 27,760,381,840.32/170,701.60
  6. Step 6: Final answer
    x = 162,625.20

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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.