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Finding the Fourth Proportional to 233,638.80, 349,939.80 and 93,325.20

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Solution

The fourth proportional to 233,638.80, 349,939.80 and 93,325.20 is: 139,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,638.80 : 349,939.80 = 93,325.20 : x
  2. Step 2: Convert to fraction form
    233,638.80/349,939.80 = 93,325.20/x
  3. Step 3: Cross multiply
    233,638.80x = 349,939.80 × 93,325.20
  4. Step 4: Simplify right side
    233,638.80x = 32,658,201,822.96
  5. Step 5: Solve for x
    x = 32,658,201,822.96/233,638.80
  6. Step 6: Final answer
    x = 139,780.73

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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.