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Finding the Fourth Proportional to 65,598.54, 98,397.75 and 28,134.42

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Solution

The fourth proportional to 65,598.54, 98,397.75 and 28,134.42 is: 42,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,598.54 : 98,397.75 = 28,134.42 : x
  2. Step 2: Convert to fraction form
    65,598.54/98,397.75 = 28,134.42/x
  3. Step 3: Cross multiply
    65,598.54x = 98,397.75 × 28,134.42
  4. Step 4: Simplify right side
    65,598.54x = 2,768,363,625.56
  5. Step 5: Solve for x
    x = 2,768,363,625.56/65,598.54
  6. Step 6: Final answer
    x = 42,201.60

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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.