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Finding the Fourth Proportional to 170,602.80, 255,904.20 and 163,690.80

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Solution

The fourth proportional to 170,602.80, 255,904.20 and 163,690.80 is: 245,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,602.80 : 255,904.20 = 163,690.80 : x
  2. Step 2: Convert to fraction form
    170,602.80/255,904.20 = 163,690.80/x
  3. Step 3: Cross multiply
    170,602.80x = 255,904.20 × 163,690.80
  4. Step 4: Simplify right side
    170,602.80x = 41,889,163,221.36
  5. Step 5: Solve for x
    x = 41,889,163,221.36/170,602.80
  6. Step 6: Final answer
    x = 245,536.20

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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.