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Finding the Fourth Proportional to 79,034.40, 118,644.20 and 62,405.64

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Solution

The fourth proportional to 79,034.40, 118,644.20 and 62,405.64 is: 93,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,034.40 : 118,644.20 = 62,405.64 : x
  2. Step 2: Convert to fraction form
    79,034.40/118,644.20 = 62,405.64/x
  3. Step 3: Cross multiply
    79,034.40x = 118,644.20 × 62,405.64
  4. Step 4: Simplify right side
    79,034.40x = 7,404,067,233.29
  5. Step 5: Solve for x
    x = 7,404,067,233.29/79,034.40
  6. Step 6: Final answer
    x = 93,681.58

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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.