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Finding the Fourth Proportional to 125,592.54, 188,055.59 and 75,604

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Solution

The fourth proportional to 125,592.54, 188,055.59 and 75,604 is: 113,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,592.54 : 188,055.59 = 75,604 : x
  2. Step 2: Convert to fraction form
    125,592.54/188,055.59 = 75,604/x
  3. Step 3: Cross multiply
    125,592.54x = 188,055.59 × 75,604
  4. Step 4: Simplify right side
    125,592.54x = 14,217,754,826.36
  5. Step 5: Solve for x
    x = 14,217,754,826.36/125,592.54
  6. Step 6: Final answer
    x = 113,205.41

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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.