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Finding the Fourth Proportional to 92,129.81, 127,157.45 and 59,819.31

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Solution

The fourth proportional to 92,129.81, 127,157.45 and 59,819.31 is: 82,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,129.81 : 127,157.45 = 59,819.31 : x
  2. Step 2: Convert to fraction form
    92,129.81/127,157.45 = 59,819.31/x
  3. Step 3: Cross multiply
    92,129.81x = 127,157.45 × 59,819.31
  4. Step 4: Simplify right side
    92,129.81x = 7,606,470,621.26
  5. Step 5: Solve for x
    x = 7,606,470,621.26/92,129.81
  6. Step 6: Final answer
    x = 82,562.54

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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.