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Finding the Fourth Proportional to 133,065.20, 199,597.80 and 39,558.80

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Solution

The fourth proportional to 133,065.20, 199,597.80 and 39,558.80 is: 59,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065.20 : 199,597.80 = 39,558.80 : x
  2. Step 2: Convert to fraction form
    133,065.20/199,597.80 = 39,558.80/x
  3. Step 3: Cross multiply
    133,065.20x = 199,597.80 × 39,558.80
  4. Step 4: Simplify right side
    133,065.20x = 7,895,849,450.64
  5. Step 5: Solve for x
    x = 7,895,849,450.64/133,065.20
  6. Step 6: Final answer
    x = 59,338.20

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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.