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Finding the Fourth Proportional to 235,122, 324,468.28 and 127,692.06

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Solution

The fourth proportional to 235,122, 324,468.28 and 127,692.06 is: 176,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,122 : 324,468.28 = 127,692.06 : x
  2. Step 2: Convert to fraction form
    235,122/324,468.28 = 127,692.06/x
  3. Step 3: Cross multiply
    235,122x = 324,468.28 × 127,692.06
  4. Step 4: Simplify right side
    235,122x = 41,432,023,077.86
  5. Step 5: Solve for x
    x = 41,432,023,077.86/235,122
  6. Step 6: Final answer
    x = 176,215.00

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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.