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Finding the Fourth Proportional to 98,376.74, 147,477.44 and 36,032.66

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Solution

The fourth proportional to 98,376.74, 147,477.44 and 36,032.66 is: 54,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,376.74 : 147,477.44 = 36,032.66 : x
  2. Step 2: Convert to fraction form
    98,376.74/147,477.44 = 36,032.66/x
  3. Step 3: Cross multiply
    98,376.74x = 147,477.44 × 36,032.66
  4. Step 4: Simplify right side
    98,376.74x = 5,314,004,453.19
  5. Step 5: Solve for x
    x = 5,314,004,453.19/98,376.74
  6. Step 6: Final answer
    x = 54,016.88

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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.