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Finding the Fourth Proportional to 170,467.80, 255,701.70 and 155,722.20

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Solution

The fourth proportional to 170,467.80, 255,701.70 and 155,722.20 is: 233,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,467.80 : 255,701.70 = 155,722.20 : x
  2. Step 2: Convert to fraction form
    170,467.80/255,701.70 = 155,722.20/x
  3. Step 3: Cross multiply
    170,467.80x = 255,701.70 × 155,722.20
  4. Step 4: Simplify right side
    170,467.80x = 39,818,431,267.74
  5. Step 5: Solve for x
    x = 39,818,431,267.74/170,467.80
  6. Step 6: Final answer
    x = 233,583.30

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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.