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Finding the Fourth Proportional to 177,012.70, 265,519.05 and 170,014.30

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Solution

The fourth proportional to 177,012.70, 265,519.05 and 170,014.30 is: 255,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,012.70 : 265,519.05 = 170,014.30 : x
  2. Step 2: Convert to fraction form
    177,012.70/265,519.05 = 170,014.30/x
  3. Step 3: Cross multiply
    177,012.70x = 265,519.05 × 170,014.30
  4. Step 4: Simplify right side
    177,012.70x = 45,142,035,422.42
  5. Step 5: Solve for x
    x = 45,142,035,422.42/177,012.70
  6. Step 6: Final answer
    x = 255,021.45

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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.