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Finding the Fourth Proportional to 355,562.73, 533,554.02 and 131,079.87

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Solution

The fourth proportional to 355,562.73, 533,554.02 and 131,079.87 is: 196,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,562.73 : 533,554.02 = 131,079.87 : x
  2. Step 2: Convert to fraction form
    355,562.73/533,554.02 = 131,079.87/x
  3. Step 3: Cross multiply
    355,562.73x = 533,554.02 × 131,079.87
  4. Step 4: Simplify right side
    355,562.73x = 69,938,191,579.58
  5. Step 5: Solve for x
    x = 69,938,191,579.58/355,562.73
  6. Step 6: Final answer
    x = 196,697.19

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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.