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Finding the Fourth Proportional to 88,844.64, 122,593.80 and 57,056.60

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Solution

The fourth proportional to 88,844.64, 122,593.80 and 57,056.60 is: 78,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,844.64 : 122,593.80 = 57,056.60 : x
  2. Step 2: Convert to fraction form
    88,844.64/122,593.80 = 57,056.60/x
  3. Step 3: Cross multiply
    88,844.64x = 122,593.80 × 57,056.60
  4. Step 4: Simplify right side
    88,844.64x = 6,994,785,409.08
  5. Step 5: Solve for x
    x = 6,994,785,409.08/88,844.64
  6. Step 6: Final answer
    x = 78,730.53

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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.