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Finding the Fourth Proportional to 114,480.57, 157,975.31 and 63,488.51

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Solution

The fourth proportional to 114,480.57, 157,975.31 and 63,488.51 is: 87,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,480.57 : 157,975.31 = 63,488.51 : x
  2. Step 2: Convert to fraction form
    114,480.57/157,975.31 = 63,488.51/x
  3. Step 3: Cross multiply
    114,480.57x = 157,975.31 × 63,488.51
  4. Step 4: Simplify right side
    114,480.57x = 10,029,617,009.94
  5. Step 5: Solve for x
    x = 10,029,617,009.94/114,480.57
  6. Step 6: Final answer
    x = 87,609.78

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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.