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Finding the Fourth Proportional to 133,262.70, 199,826.01 and 39,756.30

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Solution

The fourth proportional to 133,262.70, 199,826.01 and 39,756.30 is: 59,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,262.70 : 199,826.01 = 39,756.30 : x
  2. Step 2: Convert to fraction form
    133,262.70/199,826.01 = 39,756.30/x
  3. Step 3: Cross multiply
    133,262.70x = 199,826.01 × 39,756.30
  4. Step 4: Simplify right side
    133,262.70x = 7,944,342,801.36
  5. Step 5: Solve for x
    x = 7,944,342,801.36/133,262.70
  6. Step 6: Final answer
    x = 59,614.15

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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.