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Finding the Fourth Proportional to 70,065.37, 105,154.11 and 36,805.06

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Solution

The fourth proportional to 70,065.37, 105,154.11 and 36,805.06 is: 55,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,065.37 : 105,154.11 = 36,805.06 : x
  2. Step 2: Convert to fraction form
    70,065.37/105,154.11 = 36,805.06/x
  3. Step 3: Cross multiply
    70,065.37x = 105,154.11 × 36,805.06
  4. Step 4: Simplify right side
    70,065.37x = 3,870,203,327.80
  5. Step 5: Solve for x
    x = 3,870,203,327.80/70,065.37
  6. Step 6: Final answer
    x = 55,237.04

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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.