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Finding the Fourth Proportional to 96,663.78, 133,334.64 and 69,845.67

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Solution

The fourth proportional to 96,663.78, 133,334.64 and 69,845.67 is: 96,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,663.78 : 133,334.64 = 69,845.67 : x
  2. Step 2: Convert to fraction form
    96,663.78/133,334.64 = 69,845.67/x
  3. Step 3: Cross multiply
    96,663.78x = 133,334.64 × 69,845.67
  4. Step 4: Simplify right side
    96,663.78x = 9,312,847,265.01
  5. Step 5: Solve for x
    x = 9,312,847,265.01/96,663.78
  6. Step 6: Final answer
    x = 96,342.68

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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.