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Finding the Fourth Proportional to 95,428.70, 133,784.50 and 95,428.70

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Solution

The fourth proportional to 95,428.70, 133,784.50 and 95,428.70 is: 133,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,428.70 : 133,784.50 = 95,428.70 : x
  2. Step 2: Convert to fraction form
    95,428.70/133,784.50 = 95,428.70/x
  3. Step 3: Cross multiply
    95,428.70x = 133,784.50 × 95,428.70
  4. Step 4: Simplify right side
    95,428.70x = 12,766,880,915.15
  5. Step 5: Solve for x
    x = 12,766,880,915.15/95,428.70
  6. Step 6: Final answer
    x = 133,784.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.