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Finding the Fourth Proportional to 125,860.49, 188,761.89 and 35,901.50

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Solution

The fourth proportional to 125,860.49, 188,761.89 and 35,901.50 is: 53,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,860.49 : 188,761.89 = 35,901.50 : x
  2. Step 2: Convert to fraction form
    125,860.49/188,761.89 = 35,901.50/x
  3. Step 3: Cross multiply
    125,860.49x = 188,761.89 × 35,901.50
  4. Step 4: Simplify right side
    125,860.49x = 6,776,834,050.03
  5. Step 5: Solve for x
    x = 6,776,834,050.03/125,860.49
  6. Step 6: Final answer
    x = 53,844.01

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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.