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Finding the Fourth Proportional to 74,334.76, 111,477.16 and 26,939.93

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Solution

The fourth proportional to 74,334.76, 111,477.16 and 26,939.93 is: 40,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,334.76 : 111,477.16 = 26,939.93 : x
  2. Step 2: Convert to fraction form
    74,334.76/111,477.16 = 26,939.93/x
  3. Step 3: Cross multiply
    74,334.76x = 111,477.16 × 26,939.93
  4. Step 4: Simplify right side
    74,334.76x = 3,003,187,152.34
  5. Step 5: Solve for x
    x = 3,003,187,152.34/74,334.76
  6. Step 6: Final answer
    x = 40,400.84

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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.