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Finding the Fourth Proportional to 263,798.12, 395,693.60 and 64,117.91

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Solution

The fourth proportional to 263,798.12, 395,693.60 and 64,117.91 is: 96,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,798.12 : 395,693.60 = 64,117.91 : x
  2. Step 2: Convert to fraction form
    263,798.12/395,693.60 = 64,117.91/x
  3. Step 3: Cross multiply
    263,798.12x = 395,693.60 × 64,117.91
  4. Step 4: Simplify right side
    263,798.12x = 25,371,044,333.32
  5. Step 5: Solve for x
    x = 25,371,044,333.32/263,798.12
  6. Step 6: Final answer
    x = 96,175.99

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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.