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Finding the Fourth Proportional to 255,692.01, 353,078.05 and 160,363.11

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Solution

The fourth proportional to 255,692.01, 353,078.05 and 160,363.11 is: 221,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,692.01 : 353,078.05 = 160,363.11 : x
  2. Step 2: Convert to fraction form
    255,692.01/353,078.05 = 160,363.11/x
  3. Step 3: Cross multiply
    255,692.01x = 353,078.05 × 160,363.11
  4. Step 4: Simplify right side
    255,692.01x = 56,620,694,170.74
  5. Step 5: Solve for x
    x = 56,620,694,170.74/255,692.01
  6. Step 6: Final answer
    x = 221,441.00

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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.