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Finding the Fourth Proportional to 114,606.48, 171,976.65 and 48,041.49

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Solution

The fourth proportional to 114,606.48, 171,976.65 and 48,041.49 is: 72,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,606.48 : 171,976.65 = 48,041.49 : x
  2. Step 2: Convert to fraction form
    114,606.48/171,976.65 = 48,041.49/x
  3. Step 3: Cross multiply
    114,606.48x = 171,976.65 × 48,041.49
  4. Step 4: Simplify right side
    114,606.48x = 8,262,014,511.21
  5. Step 5: Solve for x
    x = 8,262,014,511.21/114,606.48
  6. Step 6: Final answer
    x = 72,090.29

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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.