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Finding the Fourth Proportional to 132,362.60, 198,543.90 and 43,629.80

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Solution

The fourth proportional to 132,362.60, 198,543.90 and 43,629.80 is: 65,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,362.60 : 198,543.90 = 43,629.80 : x
  2. Step 2: Convert to fraction form
    132,362.60/198,543.90 = 43,629.80/x
  3. Step 3: Cross multiply
    132,362.60x = 198,543.90 × 43,629.80
  4. Step 4: Simplify right side
    132,362.60x = 8,662,430,648.22
  5. Step 5: Solve for x
    x = 8,662,430,648.22/132,362.60
  6. Step 6: Final answer
    x = 65,444.70

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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.