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Finding the Fourth Proportional to 67,447.83, 100,999.20 and 65,452.35

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Solution

The fourth proportional to 67,447.83, 100,999.20 and 65,452.35 is: 98,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,447.83 : 100,999.20 = 65,452.35 : x
  2. Step 2: Convert to fraction form
    67,447.83/100,999.20 = 65,452.35/x
  3. Step 3: Cross multiply
    67,447.83x = 100,999.20 × 65,452.35
  4. Step 4: Simplify right side
    67,447.83x = 6,610,634,988.12
  5. Step 5: Solve for x
    x = 6,610,634,988.12/67,447.83
  6. Step 6: Final answer
    x = 98,011.08

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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.