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Finding the Fourth Proportional to 88,296, 121,848.48 and 48,552

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Solution

The fourth proportional to 88,296, 121,848.48 and 48,552 is: 67,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,296 : 121,848.48 = 48,552 : x
  2. Step 2: Convert to fraction form
    88,296/121,848.48 = 48,552/x
  3. Step 3: Cross multiply
    88,296x = 121,848.48 × 48,552
  4. Step 4: Simplify right side
    88,296x = 5,915,987,400.96
  5. Step 5: Solve for x
    x = 5,915,987,400.96/88,296
  6. Step 6: Final answer
    x = 67,001.76

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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.