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Finding the Fourth Proportional to 149,167.68, 223,729.29 and 49,328.39

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Solution

The fourth proportional to 149,167.68, 223,729.29 and 49,328.39 is: 73,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,167.68 : 223,729.29 = 49,328.39 : x
  2. Step 2: Convert to fraction form
    149,167.68/223,729.29 = 49,328.39/x
  3. Step 3: Cross multiply
    149,167.68x = 223,729.29 × 49,328.39
  4. Step 4: Simplify right side
    149,167.68x = 11,036,206,230.87
  5. Step 5: Solve for x
    x = 11,036,206,230.87/149,167.68
  6. Step 6: Final answer
    x = 73,985.24

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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.