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Finding the Fourth Proportional to 72,999.16, 100,731.84 and 44,334.51

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Solution

The fourth proportional to 72,999.16, 100,731.84 and 44,334.51 is: 61,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,999.16 : 100,731.84 = 44,334.51 : x
  2. Step 2: Convert to fraction form
    72,999.16/100,731.84 = 44,334.51/x
  3. Step 3: Cross multiply
    72,999.16x = 100,731.84 × 44,334.51
  4. Step 4: Simplify right side
    72,999.16x = 4,465,897,164.49
  5. Step 5: Solve for x
    x = 4,465,897,164.49/72,999.16
  6. Step 6: Final answer
    x = 61,177.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.