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Finding the Fourth Proportional to 164,543.70, 246,815.55 and 111,399.60

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Solution

The fourth proportional to 164,543.70, 246,815.55 and 111,399.60 is: 167,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,543.70 : 246,815.55 = 111,399.60 : x
  2. Step 2: Convert to fraction form
    164,543.70/246,815.55 = 111,399.60/x
  3. Step 3: Cross multiply
    164,543.70x = 246,815.55 × 111,399.60
  4. Step 4: Simplify right side
    164,543.70x = 27,495,153,543.78
  5. Step 5: Solve for x
    x = 27,495,153,543.78/164,543.70
  6. Step 6: Final answer
    x = 167,099.40

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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.