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Finding the Fourth Proportional to 162,626.40, 243,939.60 and 133,077.60

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Solution

The fourth proportional to 162,626.40, 243,939.60 and 133,077.60 is: 199,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,626.40 : 243,939.60 = 133,077.60 : x
  2. Step 2: Convert to fraction form
    162,626.40/243,939.60 = 133,077.60/x
  3. Step 3: Cross multiply
    162,626.40x = 243,939.60 × 133,077.60
  4. Step 4: Simplify right side
    162,626.40x = 32,462,896,512.96
  5. Step 5: Solve for x
    x = 32,462,896,512.96/162,626.40
  6. Step 6: Final answer
    x = 199,616.40

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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.