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Finding the Fourth Proportional to 236,901.89, 355,300.65 and 68,385.62

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Solution

The fourth proportional to 236,901.89, 355,300.65 and 68,385.62 is: 102,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,901.89 : 355,300.65 = 68,385.62 : x
  2. Step 2: Convert to fraction form
    236,901.89/355,300.65 = 68,385.62/x
  3. Step 3: Cross multiply
    236,901.89x = 355,300.65 × 68,385.62
  4. Step 4: Simplify right side
    236,901.89x = 24,297,453,460.15
  5. Step 5: Solve for x
    x = 24,297,453,460.15/236,901.89
  6. Step 6: Final answer
    x = 102,563.36

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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.