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Finding the Fourth Proportional to 76,157.01, 105,107.63 and 44,343.45

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Solution

The fourth proportional to 76,157.01, 105,107.63 and 44,343.45 is: 61,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,157.01 : 105,107.63 = 44,343.45 : x
  2. Step 2: Convert to fraction form
    76,157.01/105,107.63 = 44,343.45/x
  3. Step 3: Cross multiply
    76,157.01x = 105,107.63 × 44,343.45
  4. Step 4: Simplify right side
    76,157.01x = 4,660,834,713.81
  5. Step 5: Solve for x
    x = 4,660,834,713.81/76,157.01
  6. Step 6: Final answer
    x = 61,200.34

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