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Finding the Fourth Proportional to 233,430.77, 350,234.39 and 91,377.56

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Solution

The fourth proportional to 233,430.77, 350,234.39 and 91,377.56 is: 137,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,430.77 : 350,234.39 = 91,377.56 : x
  2. Step 2: Convert to fraction form
    233,430.77/350,234.39 = 91,377.56/x
  3. Step 3: Cross multiply
    233,430.77x = 350,234.39 × 91,377.56
  4. Step 4: Simplify right side
    233,430.77x = 32,003,565,090.32
  5. Step 5: Solve for x
    x = 32,003,565,090.32/233,430.77
  6. Step 6: Final answer
    x = 137,100.88

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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.