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Finding the Fourth Proportional to 114,773.56, 158,387.38 and 63,784.68

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Solution

The fourth proportional to 114,773.56, 158,387.38 and 63,784.68 is: 88,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,773.56 : 158,387.38 = 63,784.68 : x
  2. Step 2: Convert to fraction form
    114,773.56/158,387.38 = 63,784.68/x
  3. Step 3: Cross multiply
    114,773.56x = 158,387.38 × 63,784.68
  4. Step 4: Simplify right side
    114,773.56x = 10,102,688,349.34
  5. Step 5: Solve for x
    x = 10,102,688,349.34/114,773.56
  6. Step 6: Final answer
    x = 88,022.78

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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.