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Finding the Fourth Proportional to 106,349.52, 146,769.44 and 58,602.86

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Solution

The fourth proportional to 106,349.52, 146,769.44 and 58,602.86 is: 80,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,349.52 : 146,769.44 = 58,602.86 : x
  2. Step 2: Convert to fraction form
    106,349.52/146,769.44 = 58,602.86/x
  3. Step 3: Cross multiply
    106,349.52x = 146,769.44 × 58,602.86
  4. Step 4: Simplify right side
    106,349.52x = 8,601,108,944.60
  5. Step 5: Solve for x
    x = 8,601,108,944.60/106,349.52
  6. Step 6: Final answer
    x = 80,875.86

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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.