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Finding the Fourth Proportional to 107,915.70, 148,916.67 and 60,166.20

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Solution

The fourth proportional to 107,915.70, 148,916.67 and 60,166.20 is: 83,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,915.70 : 148,916.67 = 60,166.20 : x
  2. Step 2: Convert to fraction form
    107,915.70/148,916.67 = 60,166.20/x
  3. Step 3: Cross multiply
    107,915.70x = 148,916.67 × 60,166.20
  4. Step 4: Simplify right side
    107,915.70x = 8,959,750,150.55
  5. Step 5: Solve for x
    x = 8,959,750,150.55/107,915.70
  6. Step 6: Final answer
    x = 83,025.46

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