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Finding the Fourth Proportional to 132,980.40, 199,427.40 and 44,218.80

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Solution

The fourth proportional to 132,980.40, 199,427.40 and 44,218.80 is: 66,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,980.40 : 199,427.40 = 44,218.80 : x
  2. Step 2: Convert to fraction form
    132,980.40/199,427.40 = 44,218.80/x
  3. Step 3: Cross multiply
    132,980.40x = 199,427.40 × 44,218.80
  4. Step 4: Simplify right side
    132,980.40x = 8,818,440,315.12
  5. Step 5: Solve for x
    x = 8,818,440,315.12/132,980.40
  6. Step 6: Final answer
    x = 66,313.84

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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.