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Finding the Fourth Proportional to 74,014.80, 110,827.80 and 58,333.20

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Solution

The fourth proportional to 74,014.80, 110,827.80 and 58,333.20 is: 87,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,014.80 : 110,827.80 = 58,333.20 : x
  2. Step 2: Convert to fraction form
    74,014.80/110,827.80 = 58,333.20/x
  3. Step 3: Cross multiply
    74,014.80x = 110,827.80 × 58,333.20
  4. Step 4: Simplify right side
    74,014.80x = 6,464,940,222.96
  5. Step 5: Solve for x
    x = 6,464,940,222.96/74,014.80
  6. Step 6: Final answer
    x = 87,346.59

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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.