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Finding the Fourth Proportional to 230,624.77, 345,987.27 and 70,701.31

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Solution

The fourth proportional to 230,624.77, 345,987.27 and 70,701.31 is: 106,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,624.77 : 345,987.27 = 70,701.31 : x
  2. Step 2: Convert to fraction form
    230,624.77/345,987.27 = 70,701.31/x
  3. Step 3: Cross multiply
    230,624.77x = 345,987.27 × 70,701.31
  4. Step 4: Simplify right side
    230,624.77x = 24,461,751,502.39
  5. Step 5: Solve for x
    x = 24,461,751,502.39/230,624.77
  6. Step 6: Final answer
    x = 106,067.32

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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.