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Finding the Fourth Proportional to 235,796.48, 325,422.08 and 176,076.80

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Solution

The fourth proportional to 235,796.48, 325,422.08 and 176,076.80 is: 243,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,796.48 : 325,422.08 = 176,076.80 : x
  2. Step 2: Convert to fraction form
    235,796.48/325,422.08 = 176,076.80/x
  3. Step 3: Cross multiply
    235,796.48x = 325,422.08 × 176,076.80
  4. Step 4: Simplify right side
    235,796.48x = 57,299,278,495.74
  5. Step 5: Solve for x
    x = 57,299,278,495.74/235,796.48
  6. Step 6: Final answer
    x = 243,003.11

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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.