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Finding the Fourth Proportional to 74,003.61, 110,980.29 and 24,071.31

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Solution

The fourth proportional to 74,003.61, 110,980.29 and 24,071.31 is: 36,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,003.61 : 110,980.29 = 24,071.31 : x
  2. Step 2: Convert to fraction form
    74,003.61/110,980.29 = 24,071.31/x
  3. Step 3: Cross multiply
    74,003.61x = 110,980.29 × 24,071.31
  4. Step 4: Simplify right side
    74,003.61x = 2,671,440,964.48
  5. Step 5: Solve for x
    x = 2,671,440,964.48/74,003.61
  6. Step 6: Final answer
    x = 36,098.79

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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.