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Finding the Fourth Proportional to 70,273.16, 96,911.24 and 55,980.50

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Solution

The fourth proportional to 70,273.16, 96,911.24 and 55,980.50 is: 77,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,273.16 : 96,911.24 = 55,980.50 : x
  2. Step 2: Convert to fraction form
    70,273.16/96,911.24 = 55,980.50/x
  3. Step 3: Cross multiply
    70,273.16x = 96,911.24 × 55,980.50
  4. Step 4: Simplify right side
    70,273.16x = 5,425,138,906.36
  5. Step 5: Solve for x
    x = 5,425,138,906.36/70,273.16
  6. Step 6: Final answer
    x = 77,200.73

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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.