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Finding the Fourth Proportional to 91,552, 126,334.84 and 55,738.04

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Solution

The fourth proportional to 91,552, 126,334.84 and 55,738.04 is: 76,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,552 : 126,334.84 = 55,738.04 : x
  2. Step 2: Convert to fraction form
    91,552/126,334.84 = 55,738.04/x
  3. Step 3: Cross multiply
    91,552x = 126,334.84 × 55,738.04
  4. Step 4: Simplify right side
    91,552x = 7,041,656,365.31
  5. Step 5: Solve for x
    x = 7,041,656,365.31/91,552
  6. Step 6: Final answer
    x = 76,914.28

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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.