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Finding the Fourth Proportional to 125,551.67, 188,327.51 and 46,685.75

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Solution

The fourth proportional to 125,551.67, 188,327.51 and 46,685.75 is: 70,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,551.67 : 188,327.51 = 46,685.75 : x
  2. Step 2: Convert to fraction form
    125,551.67/188,327.51 = 46,685.75/x
  3. Step 3: Cross multiply
    125,551.67x = 188,327.51 × 46,685.75
  4. Step 4: Simplify right side
    125,551.67x = 8,792,210,816.55
  5. Step 5: Solve for x
    x = 8,792,210,816.55/125,551.67
  6. Step 6: Final answer
    x = 70,028.63

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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.