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Finding the Fourth Proportional to 79,667.52, 109,946.40 and 46,133.52

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Solution

The fourth proportional to 79,667.52, 109,946.40 and 46,133.52 is: 63,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,667.52 : 109,946.40 = 46,133.52 : x
  2. Step 2: Convert to fraction form
    79,667.52/109,946.40 = 46,133.52/x
  3. Step 3: Cross multiply
    79,667.52x = 109,946.40 × 46,133.52
  4. Step 4: Simplify right side
    79,667.52x = 5,072,214,443.33
  5. Step 5: Solve for x
    x = 5,072,214,443.33/79,667.52
  6. Step 6: Final answer
    x = 63,667.28

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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.