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Finding the Fourth Proportional to 368,692.56, 553,334.16 and 169,107

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Solution

The fourth proportional to 368,692.56, 553,334.16 and 169,107 is: 253,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,692.56 : 553,334.16 = 169,107 : x
  2. Step 2: Convert to fraction form
    368,692.56/553,334.16 = 169,107/x
  3. Step 3: Cross multiply
    368,692.56x = 553,334.16 × 169,107
  4. Step 4: Simplify right side
    368,692.56x = 93,572,679,795.12
  5. Step 5: Solve for x
    x = 93,572,679,795.12/368,692.56
  6. Step 6: Final answer
    x = 253,795.95

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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.