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Finding the Fourth Proportional to 162,550.40, 243,825.60 and 79,606.40

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Solution

The fourth proportional to 162,550.40, 243,825.60 and 79,606.40 is: 119,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,550.40 : 243,825.60 = 79,606.40 : x
  2. Step 2: Convert to fraction form
    162,550.40/243,825.60 = 79,606.40/x
  3. Step 3: Cross multiply
    162,550.40x = 243,825.60 × 79,606.40
  4. Step 4: Simplify right side
    162,550.40x = 19,410,078,243.84
  5. Step 5: Solve for x
    x = 19,410,078,243.84/162,550.40
  6. Step 6: Final answer
    x = 119,409.60

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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.