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Finding the Fourth Proportional to 137,057.87, 205,482.62 and 94,825.69

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Solution

The fourth proportional to 137,057.87, 205,482.62 and 94,825.69 is: 142,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,057.87 : 205,482.62 = 94,825.69 : x
  2. Step 2: Convert to fraction form
    137,057.87/205,482.62 = 94,825.69/x
  3. Step 3: Cross multiply
    137,057.87x = 205,482.62 × 94,825.69
  4. Step 4: Simplify right side
    137,057.87x = 19,485,030,947.87
  5. Step 5: Solve for x
    x = 19,485,030,947.87/137,057.87
  6. Step 6: Final answer
    x = 142,166.45

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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.