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Finding the Fourth Proportional to 114,687.54, 158,268.96 and 64,386.54

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Solution

The fourth proportional to 114,687.54, 158,268.96 and 64,386.54 is: 88,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,687.54 : 158,268.96 = 64,386.54 : x
  2. Step 2: Convert to fraction form
    114,687.54/158,268.96 = 64,386.54/x
  3. Step 3: Cross multiply
    114,687.54x = 158,268.96 × 64,386.54
  4. Step 4: Simplify right side
    114,687.54x = 10,190,390,723.80
  5. Step 5: Solve for x
    x = 10,190,390,723.80/114,687.54
  6. Step 6: Final answer
    x = 88,853.51

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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.