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Finding the Fourth Proportional to 162,053.60, 243,049.62 and 68,624.96

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Solution

The fourth proportional to 162,053.60, 243,049.62 and 68,624.96 is: 102,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,053.60 : 243,049.62 = 68,624.96 : x
  2. Step 2: Convert to fraction form
    162,053.60/243,049.62 = 68,624.96/x
  3. Step 3: Cross multiply
    162,053.60x = 243,049.62 × 68,624.96
  4. Step 4: Simplify right side
    162,053.60x = 16,679,270,450.52
  5. Step 5: Solve for x
    x = 16,679,270,450.52/162,053.60
  6. Step 6: Final answer
    x = 102,924.41

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1.5x scale

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.