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Finding the Fourth Proportional to 230,303.25, 345,407.22 and 61,783.63

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Solution

The fourth proportional to 230,303.25, 345,407.22 and 61,783.63 is: 92,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,303.25 : 345,407.22 = 61,783.63 : x
  2. Step 2: Convert to fraction form
    230,303.25/345,407.22 = 61,783.63/x
  3. Step 3: Cross multiply
    230,303.25x = 345,407.22 × 61,783.63
  4. Step 4: Simplify right side
    230,303.25x = 21,340,511,016.29
  5. Step 5: Solve for x
    x = 21,340,511,016.29/230,303.25
  6. Step 6: Final answer
    x = 92,662.66

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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.