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Finding the Fourth Proportional to 132,436.69, 182,756.69 and 75,075.19

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Solution

The fourth proportional to 132,436.69, 182,756.69 and 75,075.19 is: 103,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,436.69 : 182,756.69 = 75,075.19 : x
  2. Step 2: Convert to fraction form
    132,436.69/182,756.69 = 75,075.19/x
  3. Step 3: Cross multiply
    132,436.69x = 182,756.69 × 75,075.19
  4. Step 4: Simplify right side
    132,436.69x = 13,720,493,225.52
  5. Step 5: Solve for x
    x = 13,720,493,225.52/132,436.69
  6. Step 6: Final answer
    x = 103,600.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.