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Finding the Fourth Proportional to 114,544.56, 158,039.16 and 74,260.08

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Solution

The fourth proportional to 114,544.56, 158,039.16 and 74,260.08 is: 102,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,544.56 : 158,039.16 = 74,260.08 : x
  2. Step 2: Convert to fraction form
    114,544.56/158,039.16 = 74,260.08/x
  3. Step 3: Cross multiply
    114,544.56x = 158,039.16 × 74,260.08
  4. Step 4: Simplify right side
    114,544.56x = 11,736,000,664.73
  5. Step 5: Solve for x
    x = 11,736,000,664.73/114,544.56
  6. Step 6: Final answer
    x = 102,457.95

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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.