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Finding the Fourth Proportional to 112,914.37, 155,821.83 and 62,613.37

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Solution

The fourth proportional to 112,914.37, 155,821.83 and 62,613.37 is: 86,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,914.37 : 155,821.83 = 62,613.37 : x
  2. Step 2: Convert to fraction form
    112,914.37/155,821.83 = 62,613.37/x
  3. Step 3: Cross multiply
    112,914.37x = 155,821.83 × 62,613.37
  4. Step 4: Simplify right side
    112,914.37x = 9,756,529,895.87
  5. Step 5: Solve for x
    x = 9,756,529,895.87/112,914.37
  6. Step 6: Final answer
    x = 86,406.45

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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.