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Finding the Fourth Proportional to 93,265.92, 139,855.50 and 30,074.22

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Solution

The fourth proportional to 93,265.92, 139,855.50 and 30,074.22 is: 45,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,265.92 : 139,855.50 = 30,074.22 : x
  2. Step 2: Convert to fraction form
    93,265.92/139,855.50 = 30,074.22/x
  3. Step 3: Cross multiply
    93,265.92x = 139,855.50 × 30,074.22
  4. Step 4: Simplify right side
    93,265.92x = 4,206,045,075.21
  5. Step 5: Solve for x
    x = 4,206,045,075.21/93,265.92
  6. Step 6: Final answer
    x = 45,097.34

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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.