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Finding the Fourth Proportional to 58,794.64, 88,584.19 and 53,178.80

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Solution

The fourth proportional to 58,794.64, 88,584.19 and 53,178.80 is: 80,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,794.64 : 88,584.19 = 53,178.80 : x
  2. Step 2: Convert to fraction form
    58,794.64/88,584.19 = 53,178.80/x
  3. Step 3: Cross multiply
    58,794.64x = 88,584.19 × 53,178.80
  4. Step 4: Simplify right side
    58,794.64x = 4,710,800,347.30
  5. Step 5: Solve for x
    x = 4,710,800,347.30/58,794.64
  6. Step 6: Final answer
    x = 80,122.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.