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Finding the Fourth Proportional to 235,402.43, 324,851.53 and 127,975.15

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Solution

The fourth proportional to 235,402.43, 324,851.53 and 127,975.15 is: 176,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,402.43 : 324,851.53 = 127,975.15 : x
  2. Step 2: Convert to fraction form
    235,402.43/324,851.53 = 127,975.15/x
  3. Step 3: Cross multiply
    235,402.43x = 324,851.53 × 127,975.15
  4. Step 4: Simplify right side
    235,402.43x = 41,572,921,015.35
  5. Step 5: Solve for x
    x = 41,572,921,015.35/235,402.43
  6. Step 6: Final answer
    x = 176,603.62

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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.