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Finding the Fourth Proportional to 74,043, 111,076.06 and 24,111.32

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Solution

The fourth proportional to 74,043, 111,076.06 and 24,111.32 is: 36,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,043 : 111,076.06 = 24,111.32 : x
  2. Step 2: Convert to fraction form
    74,043/111,076.06 = 24,111.32/x
  3. Step 3: Cross multiply
    74,043x = 111,076.06 × 24,111.32
  4. Step 4: Simplify right side
    74,043x = 2,678,190,427.00
  5. Step 5: Solve for x
    x = 2,678,190,427.00/74,043
  6. Step 6: Final answer
    x = 36,170.74

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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.