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Finding the Fourth Proportional to 70,195.50, 96,814.06 and 53,025.16

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Solution

The fourth proportional to 70,195.50, 96,814.06 and 53,025.16 is: 73,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,195.50 : 96,814.06 = 53,025.16 : x
  2. Step 2: Convert to fraction form
    70,195.50/96,814.06 = 53,025.16/x
  3. Step 3: Cross multiply
    70,195.50x = 96,814.06 × 53,025.16
  4. Step 4: Simplify right side
    70,195.50x = 5,133,581,021.75
  5. Step 5: Solve for x
    x = 5,133,581,021.75/70,195.50
  6. Step 6: Final answer
    x = 73,132.62

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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.