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Finding the Fourth Proportional to 178,383.25, 267,574.88 and 45,264.21

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Solution

The fourth proportional to 178,383.25, 267,574.88 and 45,264.21 is: 67,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,383.25 : 267,574.88 = 45,264.21 : x
  2. Step 2: Convert to fraction form
    178,383.25/267,574.88 = 45,264.21/x
  3. Step 3: Cross multiply
    178,383.25x = 267,574.88 × 45,264.21
  4. Step 4: Simplify right side
    178,383.25x = 12,111,565,559.04
  5. Step 5: Solve for x
    x = 12,111,565,559.04/178,383.25
  6. Step 6: Final answer
    x = 67,896.32

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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.