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Finding the Fourth Proportional to 162,334.60, 243,501.90 and 137,451.40

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Solution

The fourth proportional to 162,334.60, 243,501.90 and 137,451.40 is: 206,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,334.60 : 243,501.90 = 137,451.40 : x
  2. Step 2: Convert to fraction form
    162,334.60/243,501.90 = 137,451.40/x
  3. Step 3: Cross multiply
    162,334.60x = 243,501.90 × 137,451.40
  4. Step 4: Simplify right side
    162,334.60x = 33,469,677,057.66
  5. Step 5: Solve for x
    x = 33,469,677,057.66/162,334.60
  6. Step 6: Final answer
    x = 206,177.10

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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.