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Finding the Fourth Proportional to 74,735.96, 112,230.90 and 49,935.36

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Solution

The fourth proportional to 74,735.96, 112,230.90 and 49,935.36 is: 74,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,735.96 : 112,230.90 = 49,935.36 : x
  2. Step 2: Convert to fraction form
    74,735.96/112,230.90 = 49,935.36/x
  3. Step 3: Cross multiply
    74,735.96x = 112,230.90 × 49,935.36
  4. Step 4: Simplify right side
    74,735.96x = 5,604,290,394.62
  5. Step 5: Solve for x
    x = 5,604,290,394.62/74,735.96
  6. Step 6: Final answer
    x = 74,987.87

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1.5x scale

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.