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Finding the Fourth Proportional to 98,294.24, 135,646 and 55,852.80

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Solution

The fourth proportional to 98,294.24, 135,646 and 55,852.80 is: 77,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,294.24 : 135,646 = 55,852.80 : x
  2. Step 2: Convert to fraction form
    98,294.24/135,646 = 55,852.80/x
  3. Step 3: Cross multiply
    98,294.24x = 135,646 × 55,852.80
  4. Step 4: Simplify right side
    98,294.24x = 7,576,208,908.80
  5. Step 5: Solve for x
    x = 7,576,208,908.80/98,294.24
  6. Step 6: Final answer
    x = 77,076.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.