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Finding the Fourth Proportional to 125,813.44, 188,448 and 59,153.68

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Solution

The fourth proportional to 125,813.44, 188,448 and 59,153.68 is: 88,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,813.44 : 188,448 = 59,153.68 : x
  2. Step 2: Convert to fraction form
    125,813.44/188,448 = 59,153.68/x
  3. Step 3: Cross multiply
    125,813.44x = 188,448 × 59,153.68
  4. Step 4: Simplify right side
    125,813.44x = 11,147,392,688.64
  5. Step 5: Solve for x
    x = 11,147,392,688.64/125,813.44
  6. Step 6: Final answer
    x = 88,602.56

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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.