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Finding the Fourth Proportional to 235,760.02, 353,426.79 and 85,965.27

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Solution

The fourth proportional to 235,760.02, 353,426.79 and 85,965.27 is: 128,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,760.02 : 353,426.79 = 85,965.27 : x
  2. Step 2: Convert to fraction form
    235,760.02/353,426.79 = 85,965.27/x
  3. Step 3: Cross multiply
    235,760.02x = 353,426.79 × 85,965.27
  4. Step 4: Simplify right side
    235,760.02x = 30,382,429,427.58
  5. Step 5: Solve for x
    x = 30,382,429,427.58/235,760.02
  6. Step 6: Final answer
    x = 128,870.15

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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.