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Finding the Fourth Proportional to 98,378.49, 147,480.08 and 36,034.41

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Solution

The fourth proportional to 98,378.49, 147,480.08 and 36,034.41 is: 54,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,378.49 : 147,480.08 = 36,034.41 : x
  2. Step 2: Convert to fraction form
    98,378.49/147,480.08 = 36,034.41/x
  3. Step 3: Cross multiply
    98,378.49x = 147,480.08 × 36,034.41
  4. Step 4: Simplify right side
    98,378.49x = 5,314,357,489.38
  5. Step 5: Solve for x
    x = 5,314,357,489.38/98,378.49
  6. Step 6: Final answer
    x = 54,019.51

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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.