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Finding the Fourth Proportional to 98,348.58, 147,582 and 35,163.72

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Solution

The fourth proportional to 98,348.58, 147,582 and 35,163.72 is: 52,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,348.58 : 147,582 = 35,163.72 : x
  2. Step 2: Convert to fraction form
    98,348.58/147,582 = 35,163.72/x
  3. Step 3: Cross multiply
    98,348.58x = 147,582 × 35,163.72
  4. Step 4: Simplify right side
    98,348.58x = 5,189,532,125.04
  5. Step 5: Solve for x
    x = 5,189,532,125.04/98,348.58
  6. Step 6: Final answer
    x = 52,766.72

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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.