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Finding the Fourth Proportional to 188,762.31, 283,241.84 and 76,525.47

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Solution

The fourth proportional to 188,762.31, 283,241.84 and 76,525.47 is: 114,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,762.31 : 283,241.84 = 76,525.47 : x
  2. Step 2: Convert to fraction form
    188,762.31/283,241.84 = 76,525.47/x
  3. Step 3: Cross multiply
    188,762.31x = 283,241.84 × 76,525.47
  4. Step 4: Simplify right side
    188,762.31x = 21,675,214,547.04
  5. Step 5: Solve for x
    x = 21,675,214,547.04/188,762.31
  6. Step 6: Final answer
    x = 114,828.08

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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.