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Finding the Fourth Proportional to 70,105.04, 105,157.56 and 37,265.36

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Solution

The fourth proportional to 70,105.04, 105,157.56 and 37,265.36 is: 55,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,105.04 : 105,157.56 = 37,265.36 : x
  2. Step 2: Convert to fraction form
    70,105.04/105,157.56 = 37,265.36/x
  3. Step 3: Cross multiply
    70,105.04x = 105,157.56 × 37,265.36
  4. Step 4: Simplify right side
    70,105.04x = 3,918,734,330.12
  5. Step 5: Solve for x
    x = 3,918,734,330.12/70,105.04
  6. Step 6: Final answer
    x = 55,898.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.