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Finding the Fourth Proportional to 98,353.57, 147,494.21 and 35,156.64

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Solution

The fourth proportional to 98,353.57, 147,494.21 and 35,156.64 is: 52,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,353.57 : 147,494.21 = 35,156.64 : x
  2. Step 2: Convert to fraction form
    98,353.57/147,494.21 = 35,156.64/x
  3. Step 3: Cross multiply
    98,353.57x = 147,494.21 × 35,156.64
  4. Step 4: Simplify right side
    98,353.57x = 5,185,399,929.80
  5. Step 5: Solve for x
    x = 5,185,399,929.80/98,353.57
  6. Step 6: Final answer
    x = 52,722.03

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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.