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Finding the Fourth Proportional to 132,737.76, 183,057.84 and 87,948

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Solution

The fourth proportional to 132,737.76, 183,057.84 and 87,948 is: 121,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,737.76 : 183,057.84 = 87,948 : x
  2. Step 2: Convert to fraction form
    132,737.76/183,057.84 = 87,948/x
  3. Step 3: Cross multiply
    132,737.76x = 183,057.84 × 87,948
  4. Step 4: Simplify right side
    132,737.76x = 16,099,570,912.32
  5. Step 5: Solve for x
    x = 16,099,570,912.32/132,737.76
  6. Step 6: Final answer
    x = 121,288.55

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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.