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Finding the Fourth Proportional to 98,660.30, 147,999.12 and 27,583.72

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Solution

The fourth proportional to 98,660.30, 147,999.12 and 27,583.72 is: 41,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,660.30 : 147,999.12 = 27,583.72 : x
  2. Step 2: Convert to fraction form
    98,660.30/147,999.12 = 27,583.72/x
  3. Step 3: Cross multiply
    98,660.30x = 147,999.12 × 27,583.72
  4. Step 4: Simplify right side
    98,660.30x = 4,082,366,286.33
  5. Step 5: Solve for x
    x = 4,082,366,286.33/98,660.30
  6. Step 6: Final answer
    x = 41,378.00

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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.