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Finding the Fourth Proportional to 88,851.88, 122,615.70 and 51,133.48

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Solution

The fourth proportional to 88,851.88, 122,615.70 and 51,133.48 is: 70,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,851.88 : 122,615.70 = 51,133.48 : x
  2. Step 2: Convert to fraction form
    88,851.88/122,615.70 = 51,133.48/x
  3. Step 3: Cross multiply
    88,851.88x = 122,615.70 × 51,133.48
  4. Step 4: Simplify right side
    88,851.88x = 6,269,767,443.64
  5. Step 5: Solve for x
    x = 6,269,767,443.64/88,851.88
  6. Step 6: Final answer
    x = 70,564.26

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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.