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Finding the Fourth Proportional to 233,329.42, 349,995.23 and 81,525.87

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Solution

The fourth proportional to 233,329.42, 349,995.23 and 81,525.87 is: 122,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,329.42 : 349,995.23 = 81,525.87 : x
  2. Step 2: Convert to fraction form
    233,329.42/349,995.23 = 81,525.87/x
  3. Step 3: Cross multiply
    233,329.42x = 349,995.23 × 81,525.87
  4. Step 4: Simplify right side
    233,329.42x = 28,533,665,519.69
  5. Step 5: Solve for x
    x = 28,533,665,519.69/233,329.42
  6. Step 6: Final answer
    x = 122,289.19

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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.