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Finding the Fourth Proportional to 177,009.20, 265,513.80 and 170,010.80

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Solution

The fourth proportional to 177,009.20, 265,513.80 and 170,010.80 is: 255,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,009.20 : 265,513.80 = 170,010.80 : x
  2. Step 2: Convert to fraction form
    177,009.20/265,513.80 = 170,010.80/x
  3. Step 3: Cross multiply
    177,009.20x = 265,513.80 × 170,010.80
  4. Step 4: Simplify right side
    177,009.20x = 45,140,213,549.04
  5. Step 5: Solve for x
    x = 45,140,213,549.04/177,009.20
  6. Step 6: Final answer
    x = 255,016.20

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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.