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Finding the Fourth Proportional to 100,349.70, 150,302.46 and 41,005.32

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Solution

The fourth proportional to 100,349.70, 150,302.46 and 41,005.32 is: 61,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,349.70 : 150,302.46 = 41,005.32 : x
  2. Step 2: Convert to fraction form
    100,349.70/150,302.46 = 41,005.32/x
  3. Step 3: Cross multiply
    100,349.70x = 150,302.46 × 41,005.32
  4. Step 4: Simplify right side
    100,349.70x = 6,163,200,469.09
  5. Step 5: Solve for x
    x = 6,163,200,469.09/100,349.70
  6. Step 6: Final answer
    x = 61,417.23

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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.