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Finding the Fourth Proportional to 230,995.46, 346,374.81 and 122,986.15

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Solution

The fourth proportional to 230,995.46, 346,374.81 and 122,986.15 is: 184,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,995.46 : 346,374.81 = 122,986.15 : x
  2. Step 2: Convert to fraction form
    230,995.46/346,374.81 = 122,986.15/x
  3. Step 3: Cross multiply
    230,995.46x = 346,374.81 × 122,986.15
  4. Step 4: Simplify right side
    230,995.46x = 42,599,303,472.94
  5. Step 5: Solve for x
    x = 42,599,303,472.94/230,995.46
  6. Step 6: Final answer
    x = 184,416.19

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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.