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Finding the Fourth Proportional to 88,312.29, 121,835.03 and 50,063.73

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Solution

The fourth proportional to 88,312.29, 121,835.03 and 50,063.73 is: 69,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,312.29 : 121,835.03 = 50,063.73 : x
  2. Step 2: Convert to fraction form
    88,312.29/121,835.03 = 50,063.73/x
  3. Step 3: Cross multiply
    88,312.29x = 121,835.03 × 50,063.73
  4. Step 4: Simplify right side
    88,312.29x = 6,099,515,796.14
  5. Step 5: Solve for x
    x = 6,099,515,796.14/88,312.29
  6. Step 6: Final answer
    x = 69,067.58

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1.5x scale

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.