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Finding the Fourth Proportional to 104,975.99, 157,390.17 and 48,756.42

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Solution

The fourth proportional to 104,975.99, 157,390.17 and 48,756.42 is: 73,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,975.99 : 157,390.17 = 48,756.42 : x
  2. Step 2: Convert to fraction form
    104,975.99/157,390.17 = 48,756.42/x
  3. Step 3: Cross multiply
    104,975.99x = 157,390.17 × 48,756.42
  4. Step 4: Simplify right side
    104,975.99x = 7,673,781,232.39
  5. Step 5: Solve for x
    x = 7,673,781,232.39/104,975.99
  6. Step 6: Final answer
    x = 73,100.35

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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.