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Finding the Fourth Proportional to 282,503.56, 389,692.06 and 169,260.70

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Solution

The fourth proportional to 282,503.56, 389,692.06 and 169,260.70 is: 233,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,503.56 : 389,692.06 = 169,260.70 : x
  2. Step 2: Convert to fraction form
    282,503.56/389,692.06 = 169,260.70/x
  3. Step 3: Cross multiply
    282,503.56x = 389,692.06 × 169,260.70
  4. Step 4: Simplify right side
    282,503.56x = 65,959,550,860.04
  5. Step 5: Solve for x
    x = 65,959,550,860.04/282,503.56
  6. Step 6: Final answer
    x = 233,482.19

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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.