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Finding the Fourth Proportional to 125,675.84, 188,473.74 and 41,420.28

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Solution

The fourth proportional to 125,675.84, 188,473.74 and 41,420.28 is: 62,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,675.84 : 188,473.74 = 41,420.28 : x
  2. Step 2: Convert to fraction form
    125,675.84/188,473.74 = 41,420.28/x
  3. Step 3: Cross multiply
    125,675.84x = 188,473.74 × 41,420.28
  4. Step 4: Simplify right side
    125,675.84x = 7,806,635,083.45
  5. Step 5: Solve for x
    x = 7,806,635,083.45/125,675.84
  6. Step 6: Final answer
    x = 62,117.23

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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.