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Finding the Fourth Proportional to 114,305.33, 157,725.72 and 63,305.47

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Solution

The fourth proportional to 114,305.33, 157,725.72 and 63,305.47 is: 87,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,305.33 : 157,725.72 = 63,305.47 : x
  2. Step 2: Convert to fraction form
    114,305.33/157,725.72 = 63,305.47/x
  3. Step 3: Cross multiply
    114,305.33x = 157,725.72 × 63,305.47
  4. Step 4: Simplify right side
    114,305.33x = 9,984,900,835.69
  5. Step 5: Solve for x
    x = 9,984,900,835.69/114,305.33
  6. Step 6: Final answer
    x = 87,352.89

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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.