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Finding the Fourth Proportional to 85,208.22, 127,869.21 and 29,804.22

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Solution

The fourth proportional to 85,208.22, 127,869.21 and 29,804.22 is: 44,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,208.22 : 127,869.21 = 29,804.22 : x
  2. Step 2: Convert to fraction form
    85,208.22/127,869.21 = 29,804.22/x
  3. Step 3: Cross multiply
    85,208.22x = 127,869.21 × 29,804.22
  4. Step 4: Simplify right side
    85,208.22x = 3,811,042,066.07
  5. Step 5: Solve for x
    x = 3,811,042,066.07/85,208.22
  6. Step 6: Final answer
    x = 44,726.23

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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.