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Finding the Fourth Proportional to 85,199.22, 127,855.71 and 29,795.22

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Solution

The fourth proportional to 85,199.22, 127,855.71 and 29,795.22 is: 44,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,199.22 : 127,855.71 = 29,795.22 : x
  2. Step 2: Convert to fraction form
    85,199.22/127,855.71 = 29,795.22/x
  3. Step 3: Cross multiply
    85,199.22x = 127,855.71 × 29,795.22
  4. Step 4: Simplify right side
    85,199.22x = 3,809,489,007.71
  5. Step 5: Solve for x
    x = 3,809,489,007.71/85,199.22
  6. Step 6: Final answer
    x = 44,712.72

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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.