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Finding the Fourth Proportional to 159,323.80, 239,259.30 and 88,216.60

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Solution

The fourth proportional to 159,323.80, 239,259.30 and 88,216.60 is: 132,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,323.80 : 239,259.30 = 88,216.60 : x
  2. Step 2: Convert to fraction form
    159,323.80/239,259.30 = 88,216.60/x
  3. Step 3: Cross multiply
    159,323.80x = 239,259.30 × 88,216.60
  4. Step 4: Simplify right side
    159,323.80x = 21,106,641,964.38
  5. Step 5: Solve for x
    x = 21,106,641,964.38/159,323.80
  6. Step 6: Final answer
    x = 132,476.39

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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.