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Finding the Fourth Proportional to 98,216.73, 147,334.59 and 39,039.12

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Solution

The fourth proportional to 98,216.73, 147,334.59 and 39,039.12 is: 58,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,216.73 : 147,334.59 = 39,039.12 : x
  2. Step 2: Convert to fraction form
    98,216.73/147,334.59 = 39,039.12/x
  3. Step 3: Cross multiply
    98,216.73x = 147,334.59 × 39,039.12
  4. Step 4: Simplify right side
    98,216.73x = 5,751,812,739.16
  5. Step 5: Solve for x
    x = 5,751,812,739.16/98,216.73
  6. Step 6: Final answer
    x = 58,562.45

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1.5x scale

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.