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Finding the Fourth Proportional to 61,968.60, 93,147.30 and 60,802.20

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Solution

The fourth proportional to 61,968.60, 93,147.30 and 60,802.20 is: 91,394.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,968.60 : 93,147.30 = 60,802.20 : x
  2. Step 2: Convert to fraction form
    61,968.60/93,147.30 = 60,802.20/x
  3. Step 3: Cross multiply
    61,968.60x = 93,147.30 × 60,802.20
  4. Step 4: Simplify right side
    61,968.60x = 5,663,560,764.06
  5. Step 5: Solve for x
    x = 5,663,560,764.06/61,968.60
  6. Step 6: Final answer
    x = 91,394.04

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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.