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Finding the Fourth Proportional to 98,543.85, 147,797.88 and 34,511.39

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Solution

The fourth proportional to 98,543.85, 147,797.88 and 34,511.39 is: 51,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,543.85 : 147,797.88 = 34,511.39 : x
  2. Step 2: Convert to fraction form
    98,543.85/147,797.88 = 34,511.39/x
  3. Step 3: Cross multiply
    98,543.85x = 147,797.88 × 34,511.39
  4. Step 4: Simplify right side
    98,543.85x = 5,100,710,277.85
  5. Step 5: Solve for x
    x = 5,100,710,277.85/98,543.85
  6. Step 6: Final answer
    x = 51,760.82

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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.