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Finding the Fourth Proportional to 234,618.15, 323,774.70 and 127,189.89

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Solution

The fourth proportional to 234,618.15, 323,774.70 and 127,189.89 is: 175,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,618.15 : 323,774.70 = 127,189.89 : x
  2. Step 2: Convert to fraction form
    234,618.15/323,774.70 = 127,189.89/x
  3. Step 3: Cross multiply
    234,618.15x = 323,774.70 × 127,189.89
  4. Step 4: Simplify right side
    234,618.15x = 41,180,868,477.78
  5. Step 5: Solve for x
    x = 41,180,868,477.78/234,618.15
  6. Step 6: Final answer
    x = 175,522.94

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1.5x scale

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.