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Finding the Fourth Proportional to 98,098.04, 147,121.06 and 27,003.80

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Solution

The fourth proportional to 98,098.04, 147,121.06 and 27,003.80 is: 40,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,098.04 : 147,121.06 = 27,003.80 : x
  2. Step 2: Convert to fraction form
    98,098.04/147,121.06 = 27,003.80/x
  3. Step 3: Cross multiply
    98,098.04x = 147,121.06 × 27,003.80
  4. Step 4: Simplify right side
    98,098.04x = 3,972,827,680.03
  5. Step 5: Solve for x
    x = 3,972,827,680.03/98,098.04
  6. Step 6: Final answer
    x = 40,498.54

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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.