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Finding the Fourth Proportional to 132,137.42, 182,501.14 and 87,017.18

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Solution

The fourth proportional to 132,137.42, 182,501.14 and 87,017.18 is: 120,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,137.42 : 182,501.14 = 87,017.18 : x
  2. Step 2: Convert to fraction form
    132,137.42/182,501.14 = 87,017.18/x
  3. Step 3: Cross multiply
    132,137.42x = 182,501.14 × 87,017.18
  4. Step 4: Simplify right side
    132,137.42x = 15,880,734,549.59
  5. Step 5: Solve for x
    x = 15,880,734,549.59/132,137.42
  6. Step 6: Final answer
    x = 120,183.48

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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.