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Finding the Fourth Proportional to 58,891.80, 88,208.10 and 52,325.40

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Solution

The fourth proportional to 58,891.80, 88,208.10 and 52,325.40 is: 78,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,891.80 : 88,208.10 = 52,325.40 : x
  2. Step 2: Convert to fraction form
    58,891.80/88,208.10 = 52,325.40/x
  3. Step 3: Cross multiply
    58,891.80x = 88,208.10 × 52,325.40
  4. Step 4: Simplify right side
    58,891.80x = 4,615,524,115.74
  5. Step 5: Solve for x
    x = 4,615,524,115.74/58,891.80
  6. Step 6: Final answer
    x = 78,372.95

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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.