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Finding the Fourth Proportional to 235,396.30, 324,853.30 and 127,973.68

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Solution

The fourth proportional to 235,396.30, 324,853.30 and 127,973.68 is: 176,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,396.30 : 324,853.30 = 127,973.68 : x
  2. Step 2: Convert to fraction form
    235,396.30/324,853.30 = 127,973.68/x
  3. Step 3: Cross multiply
    235,396.30x = 324,853.30 × 127,973.68
  4. Step 4: Simplify right side
    235,396.30x = 41,572,672,261.14
  5. Step 5: Solve for x
    x = 41,572,672,261.14/235,396.30
  6. Step 6: Final answer
    x = 176,607.16

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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.