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Finding the Fourth Proportional to 132,246.68, 198,368.60 and 53,359.56

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Solution

The fourth proportional to 132,246.68, 198,368.60 and 53,359.56 is: 80,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,246.68 : 198,368.60 = 53,359.56 : x
  2. Step 2: Convert to fraction form
    132,246.68/198,368.60 = 53,359.56/x
  3. Step 3: Cross multiply
    132,246.68x = 198,368.60 × 53,359.56
  4. Step 4: Simplify right side
    132,246.68x = 10,584,860,947.02
  5. Step 5: Solve for x
    x = 10,584,860,947.02/132,246.68
  6. Step 6: Final answer
    x = 80,038.77

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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.