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Finding the Fourth Proportional to 141,846.60, 213,086.70 and 118,518.60

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Solution

The fourth proportional to 141,846.60, 213,086.70 and 118,518.60 is: 178,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,846.60 : 213,086.70 = 118,518.60 : x
  2. Step 2: Convert to fraction form
    141,846.60/213,086.70 = 118,518.60/x
  3. Step 3: Cross multiply
    141,846.60x = 213,086.70 × 118,518.60
  4. Step 4: Simplify right side
    141,846.60x = 25,254,737,362.62
  5. Step 5: Solve for x
    x = 25,254,737,362.62/141,846.60
  6. Step 6: Final answer
    x = 178,042.60

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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.