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Finding the Fourth Proportional to 132,196.68, 198,253.44 and 43,429.68

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Solution

The fourth proportional to 132,196.68, 198,253.44 and 43,429.68 is: 65,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,196.68 : 198,253.44 = 43,429.68 : x
  2. Step 2: Convert to fraction form
    132,196.68/198,253.44 = 43,429.68/x
  3. Step 3: Cross multiply
    132,196.68x = 198,253.44 × 43,429.68
  4. Step 4: Simplify right side
    132,196.68x = 8,610,083,458.10
  5. Step 5: Solve for x
    x = 8,610,083,458.10/132,196.68
  6. Step 6: Final answer
    x = 65,130.86

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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.