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Finding the Fourth Proportional to 162,089.73, 223,674.73 and 90,474.37

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Solution

The fourth proportional to 162,089.73, 223,674.73 and 90,474.37 is: 124,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,089.73 : 223,674.73 = 90,474.37 : x
  2. Step 2: Convert to fraction form
    162,089.73/223,674.73 = 90,474.37/x
  3. Step 3: Cross multiply
    162,089.73x = 223,674.73 × 90,474.37
  4. Step 4: Simplify right side
    162,089.73x = 20,236,829,496.30
  5. Step 5: Solve for x
    x = 20,236,829,496.30/162,089.73
  6. Step 6: Final answer
    x = 124,849.55

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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.