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Finding the Fourth Proportional to 125,934.68, 188,967.54 and 55,797.50

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Solution

The fourth proportional to 125,934.68, 188,967.54 and 55,797.50 is: 83,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,934.68 : 188,967.54 = 55,797.50 : x
  2. Step 2: Convert to fraction form
    125,934.68/188,967.54 = 55,797.50/x
  3. Step 3: Cross multiply
    125,934.68x = 188,967.54 × 55,797.50
  4. Step 4: Simplify right side
    125,934.68x = 10,543,916,313.15
  5. Step 5: Solve for x
    x = 10,543,916,313.15/125,934.68
  6. Step 6: Final answer
    x = 83,725.28

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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.