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Finding the Fourth Proportional to 60,949.60, 84,119.42 and 37,071.65

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Solution

The fourth proportional to 60,949.60, 84,119.42 and 37,071.65 is: 51,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,949.60 : 84,119.42 = 37,071.65 : x
  2. Step 2: Convert to fraction form
    60,949.60/84,119.42 = 37,071.65/x
  3. Step 3: Cross multiply
    60,949.60x = 84,119.42 × 37,071.65
  4. Step 4: Simplify right side
    60,949.60x = 3,118,445,999.42
  5. Step 5: Solve for x
    x = 3,118,445,999.42/60,949.60
  6. Step 6: Final answer
    x = 51,164.34

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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.