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Finding the Fourth Proportional to 114,047.60, 171,022.47 and 39,175.28

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Solution

The fourth proportional to 114,047.60, 171,022.47 and 39,175.28 is: 58,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,047.60 : 171,022.47 = 39,175.28 : x
  2. Step 2: Convert to fraction form
    114,047.60/171,022.47 = 39,175.28/x
  3. Step 3: Cross multiply
    114,047.60x = 171,022.47 × 39,175.28
  4. Step 4: Simplify right side
    114,047.60x = 6,699,853,148.54
  5. Step 5: Solve for x
    x = 6,699,853,148.54/114,047.60
  6. Step 6: Final answer
    x = 58,746.11

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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.