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Finding the Fourth Proportional to 183,852.12, 253,716 and 103,279.68

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Solution

The fourth proportional to 183,852.12, 253,716 and 103,279.68 is: 142,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,852.12 : 253,716 = 103,279.68 : x
  2. Step 2: Convert to fraction form
    183,852.12/253,716 = 103,279.68/x
  3. Step 3: Cross multiply
    183,852.12x = 253,716 × 103,279.68
  4. Step 4: Simplify right side
    183,852.12x = 26,203,707,290.88
  5. Step 5: Solve for x
    x = 26,203,707,290.88/183,852.12
  6. Step 6: Final answer
    x = 142,526.00

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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.