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Finding the Fourth Proportional to 104,653.00, 156,781.96 and 61,830.65

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Solution

The fourth proportional to 104,653.00, 156,781.96 and 61,830.65 is: 92,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,653.00 : 156,781.96 = 61,830.65 : x
  2. Step 2: Convert to fraction form
    104,653.00/156,781.96 = 61,830.65/x
  3. Step 3: Cross multiply
    104,653.00x = 156,781.96 × 61,830.65
  4. Step 4: Simplify right side
    104,653.00x = 9,693,931,300.72
  5. Step 5: Solve for x
    x = 9,693,931,300.72/104,653.00
  6. Step 6: Final answer
    x = 92,629.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.