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Finding the Fourth Proportional to 235,041.94, 352,703.01 and 85,293.92

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Solution

The fourth proportional to 235,041.94, 352,703.01 and 85,293.92 is: 127,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,041.94 : 352,703.01 = 85,293.92 : x
  2. Step 2: Convert to fraction form
    235,041.94/352,703.01 = 85,293.92/x
  3. Step 3: Cross multiply
    235,041.94x = 352,703.01 × 85,293.92
  4. Step 4: Simplify right side
    235,041.94x = 30,083,422,318.70
  5. Step 5: Solve for x
    x = 30,083,422,318.70/235,041.94
  6. Step 6: Final answer
    x = 127,991.72

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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.