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Finding the Fourth Proportional to 233,988.66, 350,982.72 and 76,216.86

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Solution

The fourth proportional to 233,988.66, 350,982.72 and 76,216.86 is: 114,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,988.66 : 350,982.72 = 76,216.86 : x
  2. Step 2: Convert to fraction form
    233,988.66/350,982.72 = 76,216.86/x
  3. Step 3: Cross multiply
    233,988.66x = 350,982.72 × 76,216.86
  4. Step 4: Simplify right side
    233,988.66x = 26,750,800,832.66
  5. Step 5: Solve for x
    x = 26,750,800,832.66/233,988.66
  6. Step 6: Final answer
    x = 114,325.20

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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.