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Finding the Fourth Proportional to 202,692.17, 279,686.63 and 116,618.46

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Solution

The fourth proportional to 202,692.17, 279,686.63 and 116,618.46 is: 160,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,692.17 : 279,686.63 = 116,618.46 : x
  2. Step 2: Convert to fraction form
    202,692.17/279,686.63 = 116,618.46/x
  3. Step 3: Cross multiply
    202,692.17x = 279,686.63 × 116,618.46
  4. Step 4: Simplify right side
    202,692.17x = 32,616,623,490.10
  5. Step 5: Solve for x
    x = 32,616,623,490.10/202,692.17
  6. Step 6: Final answer
    x = 160,917.04

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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.