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Finding the Fourth Proportional to 70,692.95, 106,036.65 and 23,945.82

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Solution

The fourth proportional to 70,692.95, 106,036.65 and 23,945.82 is: 35,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,692.95 : 106,036.65 = 23,945.82 : x
  2. Step 2: Convert to fraction form
    70,692.95/106,036.65 = 23,945.82/x
  3. Step 3: Cross multiply
    70,692.95x = 106,036.65 × 23,945.82
  4. Step 4: Simplify right side
    70,692.95x = 2,539,134,534.30
  5. Step 5: Solve for x
    x = 2,539,134,534.30/70,692.95
  6. Step 6: Final answer
    x = 35,917.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.