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Finding the Fourth Proportional to 93,649.86, 140,453.72 and 27,075.16

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Solution

The fourth proportional to 93,649.86, 140,453.72 and 27,075.16 is: 40,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,649.86 : 140,453.72 = 27,075.16 : x
  2. Step 2: Convert to fraction form
    93,649.86/140,453.72 = 27,075.16/x
  3. Step 3: Cross multiply
    93,649.86x = 140,453.72 × 27,075.16
  4. Step 4: Simplify right side
    93,649.86x = 3,802,806,941.60
  5. Step 5: Solve for x
    x = 3,802,806,941.60/93,649.86
  6. Step 6: Final answer
    x = 40,606.65

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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.