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Finding the Fourth Proportional to 233,340.40, 349,780.20 and 114,914.80

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Solution

The fourth proportional to 233,340.40, 349,780.20 and 114,914.80 is: 172,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,340.40 : 349,780.20 = 114,914.80 : x
  2. Step 2: Convert to fraction form
    233,340.40/349,780.20 = 114,914.80/x
  3. Step 3: Cross multiply
    233,340.40x = 349,780.20 × 114,914.80
  4. Step 4: Simplify right side
    233,340.40x = 40,194,921,726.96
  5. Step 5: Solve for x
    x = 40,194,921,726.96/233,340.40
  6. Step 6: Final answer
    x = 172,258.73

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1.5x scale

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.