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Finding the Fourth Proportional to 96,456.72, 133,119 and 53,440.32

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Solution

The fourth proportional to 96,456.72, 133,119 and 53,440.32 is: 73,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,456.72 : 133,119 = 53,440.32 : x
  2. Step 2: Convert to fraction form
    96,456.72/133,119 = 53,440.32/x
  3. Step 3: Cross multiply
    96,456.72x = 133,119 × 53,440.32
  4. Step 4: Simplify right side
    96,456.72x = 7,113,921,958.08
  5. Step 5: Solve for x
    x = 7,113,921,958.08/96,456.72
  6. Step 6: Final answer
    x = 73,752.48

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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.