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Finding the Fourth Proportional to 52,705.60, 79,101.60 and 50,977.60

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Solution

The fourth proportional to 52,705.60, 79,101.60 and 50,977.60 is: 76,508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,705.60 : 79,101.60 = 50,977.60 : x
  2. Step 2: Convert to fraction form
    52,705.60/79,101.60 = 50,977.60/x
  3. Step 3: Cross multiply
    52,705.60x = 79,101.60 × 50,977.60
  4. Step 4: Simplify right side
    52,705.60x = 4,032,409,724.16
  5. Step 5: Solve for x
    x = 4,032,409,724.16/52,705.60
  6. Step 6: Final answer
    x = 76,508.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.