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Finding the Fourth Proportional to 162,043.84, 223,620.51 and 89,446.75

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Solution

The fourth proportional to 162,043.84, 223,620.51 and 89,446.75 is: 123,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,043.84 : 223,620.51 = 89,446.75 : x
  2. Step 2: Convert to fraction form
    162,043.84/223,620.51 = 89,446.75/x
  3. Step 3: Cross multiply
    162,043.84x = 223,620.51 × 89,446.75
  4. Step 4: Simplify right side
    162,043.84x = 20,002,127,629.22
  5. Step 5: Solve for x
    x = 20,002,127,629.22/162,043.84
  6. Step 6: Final answer
    x = 123,436.52

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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.