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Finding the Fourth Proportional to 132,417.75, 198,628.44 and 73,368.75

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Solution

The fourth proportional to 132,417.75, 198,628.44 and 73,368.75 is: 110,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,417.75 : 198,628.44 = 73,368.75 : x
  2. Step 2: Convert to fraction form
    132,417.75/198,628.44 = 73,368.75/x
  3. Step 3: Cross multiply
    132,417.75x = 198,628.44 × 73,368.75
  4. Step 4: Simplify right side
    132,417.75x = 14,573,120,357.25
  5. Step 5: Solve for x
    x = 14,573,120,357.25/132,417.75
  6. Step 6: Final answer
    x = 110,054.13

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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.