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Finding the Fourth Proportional to 227,359.37, 340,945.22 and 77,611.74

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Solution

The fourth proportional to 227,359.37, 340,945.22 and 77,611.74 is: 116,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,359.37 : 340,945.22 = 77,611.74 : x
  2. Step 2: Convert to fraction form
    227,359.37/340,945.22 = 77,611.74/x
  3. Step 3: Cross multiply
    227,359.37x = 340,945.22 × 77,611.74
  4. Step 4: Simplify right side
    227,359.37x = 26,461,350,064.16
  5. Step 5: Solve for x
    x = 26,461,350,064.16/227,359.37
  6. Step 6: Final answer
    x = 116,385.57

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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.