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Finding the Fourth Proportional to 84,670.88, 127,064.64 and 29,266.88

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Solution

The fourth proportional to 84,670.88, 127,064.64 and 29,266.88 is: 43,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,670.88 : 127,064.64 = 29,266.88 : x
  2. Step 2: Convert to fraction form
    84,670.88/127,064.64 = 29,266.88/x
  3. Step 3: Cross multiply
    84,670.88x = 127,064.64 × 29,266.88
  4. Step 4: Simplify right side
    84,670.88x = 3,718,785,571.12
  5. Step 5: Solve for x
    x = 3,718,785,571.12/84,670.88
  6. Step 6: Final answer
    x = 43,920.48

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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.