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Finding the Fourth Proportional to 183,955.80, 253,860 and 107,479.38

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Solution

The fourth proportional to 183,955.80, 253,860 and 107,479.38 is: 148,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,955.80 : 253,860 = 107,479.38 : x
  2. Step 2: Convert to fraction form
    183,955.80/253,860 = 107,479.38/x
  3. Step 3: Cross multiply
    183,955.80x = 253,860 × 107,479.38
  4. Step 4: Simplify right side
    183,955.80x = 27,284,715,406.80
  5. Step 5: Solve for x
    x = 27,284,715,406.80/183,955.80
  6. Step 6: Final answer
    x = 148,322.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.