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Finding the Fourth Proportional to 114,993.94, 158,691.36 and 64,692.94

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Solution

The fourth proportional to 114,993.94, 158,691.36 and 64,692.94 is: 89,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,993.94 : 158,691.36 = 64,692.94 : x
  2. Step 2: Convert to fraction form
    114,993.94/158,691.36 = 64,692.94/x
  3. Step 3: Cross multiply
    114,993.94x = 158,691.36 × 64,692.94
  4. Step 4: Simplify right side
    114,993.94x = 10,266,210,631.00
  5. Step 5: Solve for x
    x = 10,266,210,631.00/114,993.94
  6. Step 6: Final answer
    x = 89,276.10

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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.