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Finding the Fourth Proportional to 132,693.20, 199,039.80 and 73,498.40

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Solution

The fourth proportional to 132,693.20, 199,039.80 and 73,498.40 is: 110,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,693.20 : 199,039.80 = 73,498.40 : x
  2. Step 2: Convert to fraction form
    132,693.20/199,039.80 = 73,498.40/x
  3. Step 3: Cross multiply
    132,693.20x = 199,039.80 × 73,498.40
  4. Step 4: Simplify right side
    132,693.20x = 14,629,106,836.32
  5. Step 5: Solve for x
    x = 14,629,106,836.32/132,693.20
  6. Step 6: Final answer
    x = 110,247.60

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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.