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Finding the Fourth Proportional to 59,178.80, 88,768.20 and 52,727.60

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Solution

The fourth proportional to 59,178.80, 88,768.20 and 52,727.60 is: 79,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,178.80 : 88,768.20 = 52,727.60 : x
  2. Step 2: Convert to fraction form
    59,178.80/88,768.20 = 52,727.60/x
  3. Step 3: Cross multiply
    59,178.80x = 88,768.20 × 52,727.60
  4. Step 4: Simplify right side
    59,178.80x = 4,680,534,142.32
  5. Step 5: Solve for x
    x = 4,680,534,142.32/59,178.80
  6. Step 6: Final answer
    x = 79,091.40

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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.