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Finding the Fourth Proportional to 69,544.92, 95,985.60 and 45,670.98

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Solution

The fourth proportional to 69,544.92, 95,985.60 and 45,670.98 is: 63,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,544.92 : 95,985.60 = 45,670.98 : x
  2. Step 2: Convert to fraction form
    69,544.92/95,985.60 = 45,670.98/x
  3. Step 3: Cross multiply
    69,544.92x = 95,985.60 × 45,670.98
  4. Step 4: Simplify right side
    69,544.92x = 4,383,756,417.89
  5. Step 5: Solve for x
    x = 4,383,756,417.89/69,544.92
  6. Step 6: Final answer
    x = 63,034.89

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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.