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Finding the Fourth Proportional to 163,160.42, 244,711.43 and 103,819.82

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Solution

The fourth proportional to 163,160.42, 244,711.43 and 103,819.82 is: 155,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,160.42 : 244,711.43 = 103,819.82 : x
  2. Step 2: Convert to fraction form
    163,160.42/244,711.43 = 103,819.82/x
  3. Step 3: Cross multiply
    163,160.42x = 244,711.43 × 103,819.82
  4. Step 4: Simplify right side
    163,160.42x = 25,405,894,871.89
  5. Step 5: Solve for x
    x = 25,405,894,871.89/163,160.42
  6. Step 6: Final answer
    x = 155,711.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.