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Finding the Fourth Proportional to 235,906.80, 354,006 and 95,666.64

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Solution

The fourth proportional to 235,906.80, 354,006 and 95,666.64 is: 143,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,906.80 : 354,006 = 95,666.64 : x
  2. Step 2: Convert to fraction form
    235,906.80/354,006 = 95,666.64/x
  3. Step 3: Cross multiply
    235,906.80x = 354,006 × 95,666.64
  4. Step 4: Simplify right side
    235,906.80x = 33,866,564,559.84
  5. Step 5: Solve for x
    x = 33,866,564,559.84/235,906.80
  6. Step 6: Final answer
    x = 143,559.09

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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.