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Finding the Fourth Proportional to 176,408.56, 243,452.27 and 108,428.41

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Solution

The fourth proportional to 176,408.56, 243,452.27 and 108,428.41 is: 149,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,408.56 : 243,452.27 = 108,428.41 : x
  2. Step 2: Convert to fraction form
    176,408.56/243,452.27 = 108,428.41/x
  3. Step 3: Cross multiply
    176,408.56x = 243,452.27 × 108,428.41
  4. Step 4: Simplify right side
    176,408.56x = 26,397,140,787.59
  5. Step 5: Solve for x
    x = 26,397,140,787.59/176,408.56
  6. Step 6: Final answer
    x = 149,636.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.