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Finding the Fourth Proportional to 174,649.25, 261,762.17 and 123,968.57

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Solution

The fourth proportional to 174,649.25, 261,762.17 and 123,968.57 is: 185,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,649.25 : 261,762.17 = 123,968.57 : x
  2. Step 2: Convert to fraction form
    174,649.25/261,762.17 = 123,968.57/x
  3. Step 3: Cross multiply
    174,649.25x = 261,762.17 × 123,968.57
  4. Step 4: Simplify right side
    174,649.25x = 32,450,279,966.34
  5. Step 5: Solve for x
    x = 32,450,279,966.34/174,649.25
  6. Step 6: Final answer
    x = 185,802.57

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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.