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Finding the Fourth Proportional to 188,596.68, 260,256.18 and 103,708.68

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Solution

The fourth proportional to 188,596.68, 260,256.18 and 103,708.68 is: 143,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,596.68 : 260,256.18 = 103,708.68 : x
  2. Step 2: Convert to fraction form
    188,596.68/260,256.18 = 103,708.68/x
  3. Step 3: Cross multiply
    188,596.68x = 260,256.18 × 103,708.68
  4. Step 4: Simplify right side
    188,596.68x = 26,990,824,889.64
  5. Step 5: Solve for x
    x = 26,990,824,889.64/188,596.68
  6. Step 6: Final answer
    x = 143,114.00

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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.