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Finding the Fourth Proportional to 123,606.87, 185,281.02 and 57,090.63

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Solution

The fourth proportional to 123,606.87, 185,281.02 and 57,090.63 is: 85,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,606.87 : 185,281.02 = 57,090.63 : x
  2. Step 2: Convert to fraction form
    123,606.87/185,281.02 = 57,090.63/x
  3. Step 3: Cross multiply
    123,606.87x = 185,281.02 × 57,090.63
  4. Step 4: Simplify right side
    123,606.87x = 10,577,810,158.84
  5. Step 5: Solve for x
    x = 10,577,810,158.84/123,606.87
  6. Step 6: Final answer
    x = 85,576.23

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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.