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Finding the Fourth Proportional to 132,855.36, 199,075.44 and 83,503.68

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Solution

The fourth proportional to 132,855.36, 199,075.44 and 83,503.68 is: 125,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,855.36 : 199,075.44 = 83,503.68 : x
  2. Step 2: Convert to fraction form
    132,855.36/199,075.44 = 83,503.68/x
  3. Step 3: Cross multiply
    132,855.36x = 199,075.44 × 83,503.68
  4. Step 4: Simplify right side
    132,855.36x = 16,623,531,837.62
  5. Step 5: Solve for x
    x = 16,623,531,837.62/132,855.36
  6. Step 6: Final answer
    x = 125,125.04

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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.