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Finding the Fourth Proportional to 131,373, 181,295.46 and 71,757

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Solution

The fourth proportional to 131,373, 181,295.46 and 71,757 is: 99,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,373 : 181,295.46 = 71,757 : x
  2. Step 2: Convert to fraction form
    131,373/181,295.46 = 71,757/x
  3. Step 3: Cross multiply
    131,373x = 181,295.46 × 71,757
  4. Step 4: Simplify right side
    131,373x = 13,009,218,323.22
  5. Step 5: Solve for x
    x = 13,009,218,323.22/131,373
  6. Step 6: Final answer
    x = 99,025.05

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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.