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Finding the Fourth Proportional to 170,523.28, 255,784.56 and 45,864.40

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Solution

The fourth proportional to 170,523.28, 255,784.56 and 45,864.40 is: 68,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,523.28 : 255,784.56 = 45,864.40 : x
  2. Step 2: Convert to fraction form
    170,523.28/255,784.56 = 45,864.40/x
  3. Step 3: Cross multiply
    170,523.28x = 255,784.56 × 45,864.40
  4. Step 4: Simplify right side
    170,523.28x = 11,731,405,373.66
  5. Step 5: Solve for x
    x = 11,731,405,373.66/170,523.28
  6. Step 6: Final answer
    x = 68,796.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.