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Finding the Fourth Proportional to 96,707.34, 133,419.42 and 71,274.42

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Solution

The fourth proportional to 96,707.34, 133,419.42 and 71,274.42 is: 98,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,707.34 : 133,419.42 = 71,274.42 : x
  2. Step 2: Convert to fraction form
    96,707.34/133,419.42 = 71,274.42/x
  3. Step 3: Cross multiply
    96,707.34x = 133,419.42 × 71,274.42
  4. Step 4: Simplify right side
    96,707.34x = 9,509,391,777.24
  5. Step 5: Solve for x
    x = 9,509,391,777.24/96,707.34
  6. Step 6: Final answer
    x = 98,331.64

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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.