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Finding the Fourth Proportional to 96,892.50, 133,749.06 and 64,615.41

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Solution

The fourth proportional to 96,892.50, 133,749.06 and 64,615.41 is: 89,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,892.50 : 133,749.06 = 64,615.41 : x
  2. Step 2: Convert to fraction form
    96,892.50/133,749.06 = 64,615.41/x
  3. Step 3: Cross multiply
    96,892.50x = 133,749.06 × 64,615.41
  4. Step 4: Simplify right side
    96,892.50x = 8,642,250,349.01
  5. Step 5: Solve for x
    x = 8,642,250,349.01/96,892.50
  6. Step 6: Final answer
    x = 89,194.21

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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.