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Finding the Fourth Proportional to 227,358.66, 340,900.63 and 90,602.80

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Solution

The fourth proportional to 227,358.66, 340,900.63 and 90,602.80 is: 135,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,358.66 : 340,900.63 = 90,602.80 : x
  2. Step 2: Convert to fraction form
    227,358.66/340,900.63 = 90,602.80/x
  3. Step 3: Cross multiply
    227,358.66x = 340,900.63 × 90,602.80
  4. Step 4: Simplify right side
    227,358.66x = 30,886,551,599.76
  5. Step 5: Solve for x
    x = 30,886,551,599.76/227,358.66
  6. Step 6: Final answer
    x = 135,849.46

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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.