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Finding the Fourth Proportional to 208,474.63, 287,725.87 and 132,000.83

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Solution

The fourth proportional to 208,474.63, 287,725.87 and 132,000.83 is: 182,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,474.63 : 287,725.87 = 132,000.83 : x
  2. Step 2: Convert to fraction form
    208,474.63/287,725.87 = 132,000.83/x
  3. Step 3: Cross multiply
    208,474.63x = 287,725.87 × 132,000.83
  4. Step 4: Simplify right side
    208,474.63x = 37,980,052,992.47
  5. Step 5: Solve for x
    x = 37,980,052,992.47/208,474.63
  6. Step 6: Final answer
    x = 182,180.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.