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Finding the Fourth Proportional to 97,119.44, 145,569.80 and 49,601.60

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Solution

The fourth proportional to 97,119.44, 145,569.80 and 49,601.60 is: 74,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,119.44 : 145,569.80 = 49,601.60 : x
  2. Step 2: Convert to fraction form
    97,119.44/145,569.80 = 49,601.60/x
  3. Step 3: Cross multiply
    97,119.44x = 145,569.80 × 49,601.60
  4. Step 4: Simplify right side
    97,119.44x = 7,220,494,991.68
  5. Step 5: Solve for x
    x = 7,220,494,991.68/97,119.44
  6. Step 6: Final answer
    x = 74,346.55

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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.