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Finding the Fourth Proportional to 74,141.91, 111,217.77 and 29,762.91

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Solution

The fourth proportional to 74,141.91, 111,217.77 and 29,762.91 is: 44,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,141.91 : 111,217.77 = 29,762.91 : x
  2. Step 2: Convert to fraction form
    74,141.91/111,217.77 = 29,762.91/x
  3. Step 3: Cross multiply
    74,141.91x = 111,217.77 × 29,762.91
  4. Step 4: Simplify right side
    74,141.91x = 3,310,164,478.91
  5. Step 5: Solve for x
    x = 3,310,164,478.91/74,141.91
  6. Step 6: Final answer
    x = 44,646.33

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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.