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Finding the Fourth Proportional to 157,527.88, 217,405.34 and 96,310

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Solution

The fourth proportional to 157,527.88, 217,405.34 and 96,310 is: 132,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,527.88 : 217,405.34 = 96,310 : x
  2. Step 2: Convert to fraction form
    157,527.88/217,405.34 = 96,310/x
  3. Step 3: Cross multiply
    157,527.88x = 217,405.34 × 96,310
  4. Step 4: Simplify right side
    157,527.88x = 20,938,308,295.40
  5. Step 5: Solve for x
    x = 20,938,308,295.40/157,527.88
  6. Step 6: Final answer
    x = 132,918.11

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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.