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Finding the Fourth Proportional to 170,325.66, 255,487.20 and 43,955.16

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Solution

The fourth proportional to 170,325.66, 255,487.20 and 43,955.16 is: 65,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,325.66 : 255,487.20 = 43,955.16 : x
  2. Step 2: Convert to fraction form
    170,325.66/255,487.20 = 43,955.16/x
  3. Step 3: Cross multiply
    170,325.66x = 255,487.20 × 43,955.16
  4. Step 4: Simplify right side
    170,325.66x = 11,229,980,753.95
  5. Step 5: Solve for x
    x = 11,229,980,753.95/170,325.66
  6. Step 6: Final answer
    x = 65,932.41

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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.