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Finding the Fourth Proportional to 162,065.46, 223,644.47 and 89,466.80

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Solution

The fourth proportional to 162,065.46, 223,644.47 and 89,466.80 is: 123,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,065.46 : 223,644.47 = 89,466.80 : x
  2. Step 2: Convert to fraction form
    162,065.46/223,644.47 = 89,466.80/x
  3. Step 3: Cross multiply
    162,065.46x = 223,644.47 × 89,466.80
  4. Step 4: Simplify right side
    162,065.46x = 20,008,753,503.04
  5. Step 5: Solve for x
    x = 20,008,753,503.04/162,065.46
  6. Step 6: Final answer
    x = 123,460.94

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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.