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Finding the Fourth Proportional to 88,459.78, 122,076.82 and 48,175.24

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Solution

The fourth proportional to 88,459.78, 122,076.82 and 48,175.24 is: 66,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,459.78 : 122,076.82 = 48,175.24 : x
  2. Step 2: Convert to fraction form
    88,459.78/122,076.82 = 48,175.24/x
  3. Step 3: Cross multiply
    88,459.78x = 122,076.82 × 48,175.24
  4. Step 4: Simplify right side
    88,459.78x = 5,881,080,101.94
  5. Step 5: Solve for x
    x = 5,881,080,101.94/88,459.78
  6. Step 6: Final answer
    x = 66,483.10

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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.