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Finding the Fourth Proportional to 94,212.40, 141,099.90 and 92,025.40

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Solution

The fourth proportional to 94,212.40, 141,099.90 and 92,025.40 is: 137,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,212.40 : 141,099.90 = 92,025.40 : x
  2. Step 2: Convert to fraction form
    94,212.40/141,099.90 = 92,025.40/x
  3. Step 3: Cross multiply
    94,212.40x = 141,099.90 × 92,025.40
  4. Step 4: Simplify right side
    94,212.40x = 12,984,774,737.46
  5. Step 5: Solve for x
    x = 12,984,774,737.46/94,212.40
  6. Step 6: Final answer
    x = 137,824.48

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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.