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Finding the Fourth Proportional to 314,610.84, 434,166.75 and 171,372.06

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Solution

The fourth proportional to 314,610.84, 434,166.75 and 171,372.06 is: 236,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,610.84 : 434,166.75 = 171,372.06 : x
  2. Step 2: Convert to fraction form
    314,610.84/434,166.75 = 171,372.06/x
  3. Step 3: Cross multiply
    314,610.84x = 434,166.75 × 171,372.06
  4. Step 4: Simplify right side
    314,610.84x = 74,404,050,331.01
  5. Step 5: Solve for x
    x = 74,404,050,331.01/314,610.84
  6. Step 6: Final answer
    x = 236,495.51

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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.