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Finding the Fourth Proportional to 92,656, 127,879.01 and 58,667.65

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Solution

The fourth proportional to 92,656, 127,879.01 and 58,667.65 is: 80,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,656 : 127,879.01 = 58,667.65 : x
  2. Step 2: Convert to fraction form
    92,656/127,879.01 = 58,667.65/x
  3. Step 3: Cross multiply
    92,656x = 127,879.01 × 58,667.65
  4. Step 4: Simplify right side
    92,656x = 7,502,361,001.03
  5. Step 5: Solve for x
    x = 7,502,361,001.03/92,656
  6. Step 6: Final answer
    x = 80,970.05

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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.