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Finding the Fourth Proportional to 174,593.25, 240,967.89 and 102,990.87

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Solution

The fourth proportional to 174,593.25, 240,967.89 and 102,990.87 is: 142,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,593.25 : 240,967.89 = 102,990.87 : x
  2. Step 2: Convert to fraction form
    174,593.25/240,967.89 = 102,990.87/x
  3. Step 3: Cross multiply
    174,593.25x = 240,967.89 × 102,990.87
  4. Step 4: Simplify right side
    174,593.25x = 24,817,492,633.16
  5. Step 5: Solve for x
    x = 24,817,492,633.16/174,593.25
  6. Step 6: Final answer
    x = 142,144.63

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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.