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Finding the Fourth Proportional to 93,075.40, 139,611.60 and 22,954.72

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Solution

The fourth proportional to 93,075.40, 139,611.60 and 22,954.72 is: 34,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,075.40 : 139,611.60 = 22,954.72 : x
  2. Step 2: Convert to fraction form
    93,075.40/139,611.60 = 22,954.72/x
  3. Step 3: Cross multiply
    93,075.40x = 139,611.60 × 22,954.72
  4. Step 4: Simplify right side
    93,075.40x = 3,204,745,186.75
  5. Step 5: Solve for x
    x = 3,204,745,186.75/93,075.40
  6. Step 6: Final answer
    x = 34,431.71

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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.