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Finding the Fourth Proportional to 74,171.40, 111,257.08 and 49,260.08

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Solution

The fourth proportional to 74,171.40, 111,257.08 and 49,260.08 is: 73,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,171.40 : 111,257.08 = 49,260.08 : x
  2. Step 2: Convert to fraction form
    74,171.40/111,257.08 = 49,260.08/x
  3. Step 3: Cross multiply
    74,171.40x = 111,257.08 × 49,260.08
  4. Step 4: Simplify right side
    74,171.40x = 5,480,532,816.36
  5. Step 5: Solve for x
    x = 5,480,532,816.36/74,171.40
  6. Step 6: Final answer
    x = 73,890.11

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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.