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Finding the Fourth Proportional to 234,484.40, 323,588.75 and 127,054.40

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Solution

The fourth proportional to 234,484.40, 323,588.75 and 127,054.40 is: 175,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,484.40 : 323,588.75 = 127,054.40 : x
  2. Step 2: Convert to fraction form
    234,484.40/323,588.75 = 127,054.40/x
  3. Step 3: Cross multiply
    234,484.40x = 323,588.75 × 127,054.40
  4. Step 4: Simplify right side
    234,484.40x = 41,113,372,224.78
  5. Step 5: Solve for x
    x = 41,113,372,224.78/234,484.40
  6. Step 6: Final answer
    x = 175,335.22

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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.