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Finding the Fourth Proportional to 70,215.06, 105,322.59 and 23,467.93

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Solution

The fourth proportional to 70,215.06, 105,322.59 and 23,467.93 is: 35,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,215.06 : 105,322.59 = 23,467.93 : x
  2. Step 2: Convert to fraction form
    70,215.06/105,322.59 = 23,467.93/x
  3. Step 3: Cross multiply
    70,215.06x = 105,322.59 × 23,467.93
  4. Step 4: Simplify right side
    70,215.06x = 2,471,703,169.54
  5. Step 5: Solve for x
    x = 2,471,703,169.54/70,215.06
  6. Step 6: Final answer
    x = 35,201.90

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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.