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Finding the Fourth Proportional to 110,359.50, 152,301.11 and 65,039.39

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Solution

The fourth proportional to 110,359.50, 152,301.11 and 65,039.39 is: 89,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,359.50 : 152,301.11 = 65,039.39 : x
  2. Step 2: Convert to fraction form
    110,359.50/152,301.11 = 65,039.39/x
  3. Step 3: Cross multiply
    110,359.50x = 152,301.11 × 65,039.39
  4. Step 4: Simplify right side
    110,359.50x = 9,905,570,204.02
  5. Step 5: Solve for x
    x = 9,905,570,204.02/110,359.50
  6. Step 6: Final answer
    x = 89,757.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.